diff --git a/.buildkite/Dockerfile b/.buildkite/Dockerfile
index 2ace3c0f50..18388fe6c5 100644
--- a/.buildkite/Dockerfile
+++ b/.buildkite/Dockerfile
@@ -1,12 +1,12 @@
-ARG LLVM_VERSION="18"
-ARG REPORTED_LLVM_VERSION="18.1.8"
+ARG LLVM_VERSION="19"
+ARG REPORTED_LLVM_VERSION="19.1.7"
 ARG OLD_BUN_VERSION="1.1.38"
 ARG DEFAULT_CFLAGS="-mno-omit-leaf-frame-pointer -fno-omit-frame-pointer -ffunction-sections -fdata-sections -faddrsig -fno-unwind-tables -fno-asynchronous-unwind-tables"
 ARG DEFAULT_CXXFLAGS="-flto=full -fwhole-program-vtables -fforce-emit-vtables"
 ARG BUILDKITE_AGENT_TAGS="queue=linux,os=linux,arch=${TARGETARCH}"
 
 FROM --platform=$BUILDPLATFORM ubuntu:20.04 as base-arm64
-FROM --platform=$BUILDPLATFORM ubuntu:18.04 as base-amd64
+FROM --platform=$BUILDPLATFORM ubuntu:20.04 as base-amd64
 FROM base-$TARGETARCH as base
 
 ARG LLVM_VERSION
diff --git a/.github/workflows/clang-format.yml b/.github/workflows/clang-format.yml
index be833ae846..96580fb79d 100644
--- a/.github/workflows/clang-format.yml
+++ b/.github/workflows/clang-format.yml
@@ -11,8 +11,8 @@ on:
 
 env:
   BUN_VERSION: "1.2.0"
-  LLVM_VERSION: "18.1.8"
-  LLVM_VERSION_MAJOR: "18"
+  LLVM_VERSION: "19.1.7"
+  LLVM_VERSION_MAJOR: "19"
 
 jobs:
   clang-format:
diff --git a/.github/workflows/clang-tidy.yml b/.github/workflows/clang-tidy.yml
index 934af25254..b21448ace5 100644
--- a/.github/workflows/clang-tidy.yml
+++ b/.github/workflows/clang-tidy.yml
@@ -11,8 +11,8 @@ on:
 
 env:
   BUN_VERSION: "1.2.0"
-  LLVM_VERSION: "18.1.8"
-  LLVM_VERSION_MAJOR: "18"
+  LLVM_VERSION: "19.1.7"
+  LLVM_VERSION_MAJOR: "19"
 
 jobs:
   clang-tidy:
diff --git a/.github/workflows/run-lint.yml b/.github/workflows/run-lint.yml
index 648da1a9ca..f21208972a 100644
--- a/.github/workflows/run-lint.yml
+++ b/.github/workflows/run-lint.yml
@@ -3,7 +3,6 @@ name: Lint
 permissions:
   contents: read
 env:
-  LLVM_VERSION: 16
   BUN_VERSION: "1.2.0"
 
 on:
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1ac91c70f7..331026c440 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -80,7 +80,7 @@ $ sudo zypper install clang18 lld18 llvm18
 
 {% /codetabs %}
 
-If none of the above solutions apply, you will have to install it [manually](https://github.com/llvm/llvm-project/releases/tag/llvmorg-18.1.8).
+If none of the above solutions apply, you will have to install it [manually](https://github.com/llvm/llvm-project/releases/tag/llvmorg-19.1.7).
 
 Make sure Clang/LLVM 18 is in your path:
 
diff --git a/Makefile b/Makefile
index 66e0c2edc1..59adaee220 100644
--- a/Makefile
+++ b/Makefile
@@ -91,9 +91,9 @@ ZIG ?= $(shell which zig 2>/dev/null || echo -e "error: Missing zig. Please make
 # This is easier to happen than you'd expect.
 # Using realpath here causes issues because clang uses clang++ as a symlink
 # so if that's resolved, it won't build for C++
-REAL_CC = $(shell which clang-18 2>/dev/null || which clang 2>/dev/null)
-REAL_CXX = $(shell which clang++-18 2>/dev/null || which clang++ 2>/dev/null)
-CLANG_FORMAT = $(shell which clang-format-18 2>/dev/null || which clang-format 2>/dev/null)
+REAL_CC = $(shell which clang-19 2>/dev/null || which clang 2>/dev/null)
+REAL_CXX = $(shell which clang++-19 2>/dev/null || which clang++ 2>/dev/null)
+CLANG_FORMAT = $(shell which clang-format-19 2>/dev/null || which clang-format 2>/dev/null)
 
 CC = $(REAL_CC)
 CXX = $(REAL_CXX)
@@ -117,14 +117,14 @@ CC_WITH_CCACHE = $(CCACHE_PATH) $(CC)
 ifeq ($(OS_NAME),darwin)
 # Find LLVM
 	ifeq ($(wildcard $(LLVM_PREFIX)),)
-		LLVM_PREFIX = $(shell brew --prefix llvm@18)
+		LLVM_PREFIX = $(shell brew --prefix llvm@19)
 	endif
 	ifeq ($(wildcard $(LLVM_PREFIX)),)
 		LLVM_PREFIX = $(shell brew --prefix llvm)
 	endif
 	ifeq ($(wildcard $(LLVM_PREFIX)),)
 #   This is kinda ugly, but I can't find a better way to error :(
-		LLVM_PREFIX = $(shell echo -e "error: Unable to find llvm. Please run 'brew install llvm@18' or set LLVM_PREFIX=/path/to/llvm")
+		LLVM_PREFIX = $(shell echo -e "error: Unable to find llvm. Please run 'brew install llvm@19' or set LLVM_PREFIX=/path/to/llvm")
 	endif
 
 	LDFLAGS += -L$(LLVM_PREFIX)/lib
@@ -164,7 +164,7 @@ CMAKE_FLAGS_WITHOUT_RELEASE = -DCMAKE_C_COMPILER=$(CC) \
 	-DCMAKE_OSX_DEPLOYMENT_TARGET=$(MIN_MACOS_VERSION) \
 	$(CMAKE_CXX_COMPILER_LAUNCHER_FLAG) \
 	-DCMAKE_AR=$(AR) \
-	-DCMAKE_RANLIB=$(which llvm-18-ranlib 2>/dev/null || which llvm-ranlib 2>/dev/null) \
+	-DCMAKE_RANLIB=$(which llvm-19-ranlib 2>/dev/null || which llvm-ranlib 2>/dev/null) \
 	-DCMAKE_CXX_STANDARD=20 \
 	-DCMAKE_C_STANDARD=17 \
 	-DCMAKE_CXX_STANDARD_REQUIRED=ON \
@@ -191,7 +191,7 @@ endif
 
 ifeq ($(OS_NAME),linux)
 LIBICONV_PATH =
-AR = $(shell which llvm-ar-18 2>/dev/null || which llvm-ar 2>/dev/null || which ar 2>/dev/null)
+AR = $(shell which llvm-ar-19 2>/dev/null || which llvm-ar 2>/dev/null || which ar 2>/dev/null)
 endif
 
 OPTIMIZATION_LEVEL=-O3 $(MARCH_NATIVE)
@@ -286,7 +286,7 @@ STRIP=/usr/bin/strip
 endif
 
 ifeq ($(OS_NAME),linux)
-STRIP=$(shell which llvm-strip 2>/dev/null || which llvm-strip-18 2>/dev/null || which strip 2>/dev/null || echo "Missing strip")
+STRIP=$(shell which llvm-strip 2>/dev/null || which llvm-strip-19 2>/dev/null || which strip 2>/dev/null || echo "Missing strip")
 endif
 
 
@@ -674,7 +674,7 @@ endif
 .PHONY: assert-deps
 assert-deps:
 	@echo "Checking if the required utilities are available..."
-	@if [ $(CLANG_VERSION) -lt "18" ]; then echo -e "ERROR: clang version >=18 required, found: $(CLANG_VERSION). Install with:\n\n    $(POSIX_PKG_MANAGER) install llvm@18"; exit 1; fi
+	@if [ $(CLANG_VERSION) -lt "19" ]; then echo -e "ERROR: clang version >=19 required, found: $(CLANG_VERSION). Install with:\n\n    $(POSIX_PKG_MANAGER) install llvm@19"; exit 1; fi
 	@cmake --version >/dev/null 2>&1 || (echo -e "ERROR: cmake is required."; exit 1)
 	@$(PYTHON) --version >/dev/null 2>&1 || (echo -e "ERROR: python is required."; exit 1)
 	@$(ESBUILD) --version >/dev/null 2>&1 || (echo -e "ERROR: esbuild is required."; exit 1)
diff --git a/cmake/Globals.cmake b/cmake/Globals.cmake
index 7793a6a7f5..5d71f72642 100644
--- a/cmake/Globals.cmake
+++ b/cmake/Globals.cmake
@@ -421,6 +421,8 @@ function(register_command)
       file(RELATIVE_PATH filename ${BUILD_PATH} ${artifact})
       if(filename STREQUAL "libbun-profile.a")
         # libbun-profile.a is now over 5gb in size, compress it first
+        list(APPEND CMD_COMMANDS COMMAND ${CMAKE_COMMAND} -E chdir ${BUILD_PATH} rm -r ${BUILD_PATH}/codegen)
+        list(APPEND CMD_COMMANDS COMMAND ${CMAKE_COMMAND} -E chdir ${BUILD_PATH} rm -r ${CACHE_PATH})
         list(APPEND CMD_COMMANDS COMMAND ${CMAKE_COMMAND} -E chdir ${BUILD_PATH} gzip -6 libbun-profile.a)
         list(APPEND CMD_COMMANDS COMMAND ${CMAKE_COMMAND} -E chdir ${BUILD_PATH} buildkite-agent artifact upload libbun-profile.a.gz)
       else()
diff --git a/cmake/targets/BuildBun.cmake b/cmake/targets/BuildBun.cmake
index 60958ceaf2..d36cac0a5b 100644
--- a/cmake/targets/BuildBun.cmake
+++ b/cmake/targets/BuildBun.cmake
@@ -738,7 +738,7 @@ endif()
 # --- C/C++ Properties ---
 
 set_target_properties(${bun} PROPERTIES
-  CXX_STANDARD 20
+  CXX_STANDARD 23
   CXX_STANDARD_REQUIRED YES
   CXX_EXTENSIONS YES
   CXX_VISIBILITY_PRESET hidden
@@ -959,28 +959,17 @@ endif()
 
 if(LINUX)
   if(NOT ABI STREQUAL "musl")
-  # on arm64
-  if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm|ARM|arm64|ARM64|aarch64|AARCH64")
-    target_link_options(${bun} PUBLIC
-      -Wl,--wrap=exp
-      -Wl,--wrap=expf
-      -Wl,--wrap=fcntl64
-      -Wl,--wrap=log
-      -Wl,--wrap=log2
-      -Wl,--wrap=log2f
-      -Wl,--wrap=logf
-      -Wl,--wrap=pow
-      -Wl,--wrap=powf
-    )
-  else()
-    target_link_options(${bun} PUBLIC
-      -Wl,--wrap=exp
-      -Wl,--wrap=expf
-      -Wl,--wrap=log2f
-      -Wl,--wrap=logf
-      -Wl,--wrap=powf
-    )
-  endif()
+  target_link_options(${bun} PUBLIC
+    -Wl,--wrap=exp
+    -Wl,--wrap=expf
+    -Wl,--wrap=fcntl64
+    -Wl,--wrap=log
+    -Wl,--wrap=log2
+    -Wl,--wrap=log2f
+    -Wl,--wrap=logf
+    -Wl,--wrap=pow
+    -Wl,--wrap=powf
+  )
   endif()
 
   if(NOT ABI STREQUAL "musl")
diff --git a/cmake/tools/SetupLLVM.cmake b/cmake/tools/SetupLLVM.cmake
index 92423dc607..7d8cc125b0 100644
--- a/cmake/tools/SetupLLVM.cmake
+++ b/cmake/tools/SetupLLVM.cmake
@@ -12,7 +12,7 @@ if(NOT ENABLE_LLVM)
   return()
 endif()
 
-set(DEFAULT_LLVM_VERSION "18.1.8")
+set(DEFAULT_LLVM_VERSION "19.1.7")
 
 optionx(LLVM_VERSION STRING "The version of LLVM to use" DEFAULT ${DEFAULT_LLVM_VERSION})
 
diff --git a/cmake/tools/SetupWebKit.cmake b/cmake/tools/SetupWebKit.cmake
index ab4166fcdd..d9db3e013f 100644
--- a/cmake/tools/SetupWebKit.cmake
+++ b/cmake/tools/SetupWebKit.cmake
@@ -2,7 +2,7 @@ option(WEBKIT_VERSION "The version of WebKit to use")
 option(WEBKIT_LOCAL "If a local version of WebKit should be used instead of downloading")
 
 if(NOT WEBKIT_VERSION)
-  set(WEBKIT_VERSION 2ffd4be9f9513c30333d9e23c175cab4760584e3)
+  set(WEBKIT_VERSION 1b232942b0654e54e93dcf86bf6f5b581b37b1ae)
 endif()
 
 string(SUBSTRING ${WEBKIT_VERSION} 0 16 WEBKIT_VERSION_PREFIX)
diff --git a/docs/project/building-windows.md b/docs/project/building-windows.md
index 8831bd5c44..0a86f5045f 100644
--- a/docs/project/building-windows.md
+++ b/docs/project/building-windows.md
@@ -60,7 +60,7 @@ Visual Studio can be installed graphically using the wizard or through WinGet:
 
 After Visual Studio, you need the following:
 
-- LLVM 18.1.8
+- LLVM 19.1.7
 - Go
 - Rust
 - NASM
@@ -81,7 +81,7 @@ After Visual Studio, you need the following:
 > irm https://get.scoop.sh | iex
 > scoop install nodejs-lts go rust nasm ruby perl ccache
 # scoop seems to be buggy if you install llvm and the rest at the same time
-> scoop install llvm@18.1.8
+> scoop install llvm@19.1.7
 ```
 
 {% /codetabs %}
diff --git a/packages/bun-uws/src/MoveOnlyFunction.h b/packages/bun-uws/src/MoveOnlyFunction.h
index b1ae785e22..04b6b82ad2 100644
--- a/packages/bun-uws/src/MoveOnlyFunction.h
+++ b/packages/bun-uws/src/MoveOnlyFunction.h
@@ -82,7 +82,14 @@ namespace ofats {
 
 namespace any_detail {
 
-using buffer = std::aligned_storage_t<sizeof(void*) * 2, alignof(void*)>;
+template <std::size_t Len, std::size_t Align>
+class my_aligned_storage_t {
+private:
+    alignas(Align) std::byte t_buff[Len];
+};
+
+
+using buffer = my_aligned_storage_t<sizeof(void*) * 2, alignof(void*)>;
 
 template <class T>
 inline constexpr bool is_small_object_v =
diff --git a/scripts/bootstrap.ps1 b/scripts/bootstrap.ps1
index e9a698c941..0947531d23 100755
--- a/scripts/bootstrap.ps1
+++ b/scripts/bootstrap.ps1
@@ -345,7 +345,7 @@ function Install-Rust {
 function Install-Llvm {
   Install-Package llvm `
     -Command clang-cl `
-    -Version "18.1.8"
+    -Version "19.1.7"
   Add-To-Path "$env:ProgramFiles\LLVM\bin"
 }
 
diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index 872b5623f8..f6fb37dac5 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -897,7 +897,7 @@ install_build_essentials() {
 }
 
 llvm_version_exact() {
-	print "18.1.8"
+	print "19.1.7"
 }
 
 llvm_version() {
@@ -915,11 +915,12 @@ install_llvm() {
 		install_packages "llvm@$(llvm_version)"
 		;;
 	apk)
+		# alpine doesn't have a lld19 package on 3.21 atm so use bare one for now
 		install_packages \
 			"llvm$(llvm_version)" \
 			"clang$(llvm_version)" \
 			"scudo-malloc" \
-			"lld$(llvm_version)"
+			"lld"
 		;;
 	esac
 }
@@ -963,7 +964,7 @@ install_gcc() {
 		;;
 	esac
 
-	llvm_v="18"
+	llvm_v="19"
 
 	append_to_profile "export CC=clang-${llvm_v}"
 	append_to_profile "export CXX=clang++-${llvm_v}"
diff --git a/src/bun.js/bindings/BunDebugger.cpp b/src/bun.js/bindings/BunDebugger.cpp
index c4a781d2ae..9315291799 100644
--- a/src/bun.js/bindings/BunDebugger.cpp
+++ b/src/bun.js/bindings/BunDebugger.cpp
@@ -52,7 +52,7 @@ public:
     void pauseWaitingForAutomaticInspection() override
     {
     }
-    void unpauseForInitializedInspector() override
+    void unpauseForInitializedInspector()
     {
         if (waitingForConnection) {
             waitingForConnection = false;
diff --git a/src/bun.js/bindings/CPUFeatures.cpp b/src/bun.js/bindings/CPUFeatures.cpp
index d6665cd6b7..367a2134e7 100644
--- a/src/bun.js/bindings/CPUFeatures.cpp
+++ b/src/bun.js/bindings/CPUFeatures.cpp
@@ -68,28 +68,48 @@ static uint8_t x86_cpu_features()
 
 #if CPU(ARM64)
 
+#if OS(WINDOWS)
+#elif OS(MACOS)
+#include <sys/sysctl.h>
+#elif OS(LINUX)
+#include <sys/auxv.h>
+#include <asm/hwcap.h>
+#endif
+
 static uint8_t aarch64_cpu_features()
 {
     uint8_t features = 0;
 
 #if OS(WINDOWS)
 #pragma error "TODO: Implement AArch64 CPU features for Windows"
-#endif
-
-#if __has_builtin(__builtin_cpu_supports)
-    __builtin_cpu_init();
-
-    if (__builtin_cpu_supports("neon"))
+#elif OS(MACOS)
+    int value = 0;
+    size_t size = sizeof(value);
+    if (sysctlbyname("hw.optional.AdvSIMD", &value, &size, NULL, 0) == 0 && value == 1)
         features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::neon);
-    if (__builtin_cpu_supports("crypto"))
+    if (sysctlbyname("hw.optional.floatingpoint", &value, &size, NULL, 0) == 0 && value == 1)
         features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::fp);
-    if (__builtin_cpu_supports("aes"))
+    if (sysctlbyname("hw.optional.arm.FEAT_AES", &value, &size, NULL, 0) == 0 && value == 1)
         features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::aes);
-    if (__builtin_cpu_supports("crc32"))
+    if (sysctlbyname("hw.optional.armv8_crc32", &value, &size, NULL, 0) == 0 && value == 1)
         features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::crc32);
-    if (__builtin_cpu_supports("atomics"))
+    if (sysctlbyname("hw.optional.arm.FEAT_LSE", &value, &size, NULL, 0) == 0 && value == 1)
         features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::atomics);
-    if (__builtin_cpu_supports("sve"))
+    if (sysctlbyname("hw.optional.arm.FEAT_SVE", &value, &size, NULL, 0) == 0 && value == 1)
+        features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::sve);
+#elif OS(LINUX)
+    unsigned long hwcaps = getauxval(AT_HWCAP);
+    if (hwcaps & HWCAP_ASIMD)
+        features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::neon);
+    if (hwcaps & HWCAP_FP)
+        features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::fp);
+    if (hwcaps & HWCAP_AES)
+        features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::aes);
+    if (hwcaps & HWCAP_CRC32)
+        features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::crc32);
+    if (hwcaps & HWCAP_ATOMICS)
+        features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::atomics);
+    if (hwcaps & HWCAP_SVE)
         features |= 1 << static_cast<uint8_t>(AArch64CPUFeature::sve);
 #endif
 
diff --git a/src/bun.js/bindings/CallSitePrototype.cpp b/src/bun.js/bindings/CallSitePrototype.cpp
index 4b76765670..b94b106043 100644
--- a/src/bun.js/bindings/CallSitePrototype.cpp
+++ b/src/bun.js/bindings/CallSitePrototype.cpp
@@ -177,7 +177,7 @@ JSC_DEFINE_HOST_FUNCTION(callSiteProtoFuncIsToplevel, (JSGlobalObject * globalOb
                 if (auto* executable = function->jsExecutable()) {
                     return JSValue::encode(jsBoolean(executable->isProgramExecutable() || executable->isModuleProgramExecutable()));
                 }
-            } else if (auto* function = jsDynamicCast<InternalFunction*>(functionValue)) {
+            } else if (jsDynamicCast<InternalFunction*>(functionValue)) {
                 return JSC::JSValue::encode(JSC::jsBoolean(true));
             }
         }
diff --git a/src/bun.js/bindings/KeyObject.cpp b/src/bun.js/bindings/KeyObject.cpp
index ad0253e062..3c527a6c72 100644
--- a/src/bun.js/bindings/KeyObject.cpp
+++ b/src/bun.js/bindings/KeyObject.cpp
@@ -405,7 +405,7 @@ JSC_DEFINE_HOST_FUNCTION(KeyObject__createPrivateKey, (JSC::JSGlobalObject * glo
         break;
     }
     default: {
-        if (auto* keyObj = jsDynamicCast<JSC::JSObject*>(keyJSValue)) {
+        if (jsDynamicCast<JSC::JSObject*>(keyJSValue)) {
             if (format != "jwk"_s) {
                 JSC::throwTypeError(globalObject, scope, "format should be 'jwk' when key type is 'object'"_s);
                 return {};
@@ -1007,7 +1007,7 @@ JSC_DEFINE_HOST_FUNCTION(KeyObject__createPublicKey, (JSC::JSGlobalObject * glob
         break;
     }
     default: {
-        if (auto* keyObj = jsDynamicCast<JSC::JSObject*>(keyJSValue)) {
+        if (jsDynamicCast<JSC::JSObject*>(keyJSValue)) {
             if (format != "jwk"_s) {
                 JSC::throwTypeError(globalObject, scope, "format should be 'jwk' when key type is 'object'"_s);
                 return {};
diff --git a/src/bun.js/bindings/ModuleLoader.cpp b/src/bun.js/bindings/ModuleLoader.cpp
index ae5a3b69ae..05e313eef3 100644
--- a/src/bun.js/bindings/ModuleLoader.cpp
+++ b/src/bun.js/bindings/ModuleLoader.cpp
@@ -284,7 +284,7 @@ OnLoadResult handleOnLoadResultNotPromise(Zig::GlobalObject* globalObject, JSC::
 
 static OnLoadResult handleOnLoadResult(Zig::GlobalObject* globalObject, JSC::JSValue objectValue, BunString* specifier, bool wasModuleMock = false)
 {
-    if (JSC::JSPromise* promise = JSC::jsDynamicCast<JSC::JSPromise*>(objectValue)) {
+    if (JSC::jsDynamicCast<JSC::JSPromise*>(objectValue)) {
         OnLoadResult result = {};
         result.type = OnLoadResultTypePromise;
         result.value.promise = objectValue;
diff --git a/src/bun.js/bindings/UtilInspect.cpp b/src/bun.js/bindings/UtilInspect.cpp
index 56724f8057..92c6105914 100644
--- a/src/bun.js/bindings/UtilInspect.cpp
+++ b/src/bun.js/bindings/UtilInspect.cpp
@@ -59,7 +59,7 @@ extern "C" JSC::EncodedJSValue JSC__JSValue__callCustomInspectFunction(
     arguments.append(inspectFn);
 
     auto inspectRet = JSC::profiledCall(globalObject, ProfilingReason::API, functionToCall, callData, thisValue, arguments);
-    if (auto exe = scope.exception()) {
+    if (scope.exception()) {
         *is_exception = true;
         return {};
     }
diff --git a/src/bun.js/bindings/bindings.cpp b/src/bun.js/bindings/bindings.cpp
index ef0de56fa1..d6049d7849 100644
--- a/src/bun.js/bindings/bindings.cpp
+++ b/src/bun.js/bindings/bindings.cpp
@@ -273,7 +273,7 @@ AsymmetricMatcherResult matchAsymmetricMatcherAndGetFlags(JSGlobalObject* global
     JSCell* matcherPropCell = matcherProp.asCell();
     AsymmetricMatcherConstructorType constructorType = AsymmetricMatcherConstructorType::none;
 
-    if (auto* expectAnything = jsDynamicCast<JSExpectAnything*>(matcherPropCell)) {
+    if (jsDynamicCast<JSExpectAnything*>(matcherPropCell)) {
         if (!readFlagsAndProcessPromise(matcherProp, flags, globalObject, otherProp, constructorType))
             return AsymmetricMatcherResult::FAIL;
 
@@ -325,7 +325,7 @@ AsymmetricMatcherResult matchAsymmetricMatcherAndGetFlags(JSGlobalObject* global
                 return AsymmetricMatcherResult::PASS;
             }
 
-            if (auto* booleanObject = jsDynamicCast<BooleanObject*>(otherProp)) {
+            if (jsDynamicCast<BooleanObject*>(otherProp)) {
                 return AsymmetricMatcherResult::PASS;
             }
 
@@ -337,7 +337,7 @@ AsymmetricMatcherResult matchAsymmetricMatcherAndGetFlags(JSGlobalObject* global
                 return AsymmetricMatcherResult::PASS;
             }
 
-            if (auto* numberObject = jsDynamicCast<NumberObject*>(otherProp)) {
+            if (jsDynamicCast<NumberObject*>(otherProp)) {
                 return AsymmetricMatcherResult::PASS;
             }
 
@@ -2237,7 +2237,7 @@ double JSC__JSValue__getLengthIfPropertyExistsInternal(JSC__JSValue value, JSC__
     }
 
     case WebCore::JSDOMWrapperType: {
-        if (auto* headers = jsDynamicCast<WebCore::JSFetchHeaders*>(cell))
+        if (jsDynamicCast<WebCore::JSFetchHeaders*>(cell))
             return static_cast<double>(jsCast<WebCore::JSFetchHeaders*>(cell)->wrapped().size());
 
         if (auto* blob = jsDynamicCast<WebCore::JSBlob*>(cell)) {
@@ -2437,7 +2437,7 @@ void JSC__JSValue___then(JSC__JSValue JSValue0, JSC__JSGlobalObject* arg1, JSC__
 
     if (JSC::JSPromise* promise = JSC::jsDynamicCast<JSC::JSPromise*>(cell)) {
         handlePromise<JSC::JSPromise, false>(promise, arg1, arg2, ArgFn3, ArgFn4);
-    } else if (JSC::JSInternalPromise* promise = JSC::jsDynamicCast<JSC::JSInternalPromise*>(cell)) {
+    } else if (JSC::jsDynamicCast<JSC::JSInternalPromise*>(cell)) {
         RELEASE_ASSERT(false);
     }
 }
diff --git a/src/bun.js/bindings/ncrypto.cpp b/src/bun.js/bindings/ncrypto.cpp
index 3030627b9b..a07591fe53 100644
--- a/src/bun.js/bindings/ncrypto.cpp
+++ b/src/bun.js/bindings/ncrypto.cpp
@@ -2742,7 +2742,7 @@ EVPKeyPointer::operator Dsa() const
 bool EVPKeyPointer::validateDsaParameters() const
 {
     if (!pkey_) return false;
-        /* Validate DSA2 parameters from FIPS 186-4 */
+    /* Validate DSA2 parameters from FIPS 186-4 */
 #if OPENSSL_VERSION_MAJOR >= 3
     if (EVP_default_properties_is_fips_enabled(nullptr) && EVP_PKEY_DSA == id()) {
 #else
diff --git a/src/bun.js/bindings/webcore/EventEmitter.cpp b/src/bun.js/bindings/webcore/EventEmitter.cpp
index 0e791cdafc..b68f5d2c47 100644
--- a/src/bun.js/bindings/webcore/EventEmitter.cpp
+++ b/src/bun.js/bindings/webcore/EventEmitter.cpp
@@ -148,7 +148,7 @@ int EventEmitter::listenerCount(const Identifier& eventType)
             if (UNLIKELY(registeredListener->wasRemoved()))
                 continue;
 
-            if (JSC::JSObject* jsFunction = registeredListener->callback().jsFunction()) {
+            if (registeredListener->callback().jsFunction()) {
                 result++;
             }
         }
diff --git a/src/bun.js/bindings/webcore/MessagePortChannelRegistry.cpp b/src/bun.js/bindings/webcore/MessagePortChannelRegistry.cpp
index f5888e9ed2..55f61f75c3 100644
--- a/src/bun.js/bindings/webcore/MessagePortChannelRegistry.cpp
+++ b/src/bun.js/bindings/webcore/MessagePortChannelRegistry.cpp
@@ -112,8 +112,8 @@ void MessagePortChannelRegistry::didCloseMessagePort(const MessagePortIdentifier
         return;
 
 #ifndef NDEBUG
-        // if (channel && channel->hasAnyMessagesPendingOrInFlight())
-        //     LOG(MessagePorts, "Registry: (Note) The channel closed for port %s had messages pending or in flight", port.logString().utf8().data());
+    // if (channel && channel->hasAnyMessagesPendingOrInFlight())
+    //     LOG(MessagePorts, "Registry: (Note) The channel closed for port %s had messages pending or in flight", port.logString().utf8().data());
 #endif
 
     channel->closePort(port);
diff --git a/src/bun.js/bindings/webcore/SerializedScriptValue.cpp b/src/bun.js/bindings/webcore/SerializedScriptValue.cpp
index 390d9d539d..024ec3582b 100644
--- a/src/bun.js/bindings/webcore/SerializedScriptValue.cpp
+++ b/src/bun.js/bindings/webcore/SerializedScriptValue.cpp
@@ -5665,7 +5665,7 @@ ExceptionOr<Ref<SerializedScriptValue>> SerializedScriptValue::create(JSGlobalOb
     if (arrayBufferContentsArray.hasException())
         return arrayBufferContentsArray.releaseException();
 
-        // auto backingStores = ImageBitmap::detachBitmaps(WTFMove(imageBitmaps));
+    // auto backingStores = ImageBitmap::detachBitmaps(WTFMove(imageBitmaps));
 
 #if ENABLE(OFFSCREEN_CANVAS_IN_WORKERS)
     Vector<std::unique_ptr<DetachedOffscreenCanvas>> detachedCanvases;
diff --git a/src/bun.js/bindings/webcore/SerializedScriptValue.h b/src/bun.js/bindings/webcore/SerializedScriptValue.h
index 305debcdb6..f000d6ea6a 100644
--- a/src/bun.js/bindings/webcore/SerializedScriptValue.h
+++ b/src/bun.js/bindings/webcore/SerializedScriptValue.h
@@ -37,6 +37,7 @@
 #include <wtf/Function.h>
 #include <wtf/Gigacage.h>
 #include <wtf/text/WTFString.h>
+#include "JavaScriptCore/WasmModule.h"
 
 #if ENABLE(WEB_CODECS)
 #include "WebCodecsEncodedVideoChunk.h"
diff --git a/src/bun.js/bindings/webcore/WebSocket.cpp b/src/bun.js/bindings/webcore/WebSocket.cpp
index 0cc2fe3ea7..23d5116ebb 100644
--- a/src/bun.js/bindings/webcore/WebSocket.cpp
+++ b/src/bun.js/bindings/webcore/WebSocket.cpp
@@ -1169,7 +1169,7 @@ void WebSocket::didReceiveClose(CleanStatus wasClean, unsigned short code, WTF::
         return;
     const bool wasConnecting = m_state == CONNECTING;
     m_state = CLOSED;
-    if (auto* context = scriptExecutionContext()) {
+    if (scriptExecutionContext()) {
         this->incPendingActivityCount();
         if (wasConnecting && isConnectionError) {
             ErrorEvent::Init eventInit = {};
diff --git a/src/bun.js/bindings/webcore/Worker.cpp b/src/bun.js/bindings/webcore/Worker.cpp
index 9e6bf96a5f..38bcd17573 100644
--- a/src/bun.js/bindings/webcore/Worker.cpp
+++ b/src/bun.js/bindings/webcore/Worker.cpp
@@ -479,7 +479,7 @@ JSC_DEFINE_HOST_FUNCTION(jsReceiveMessageOnPort, (JSGlobalObject * lexicalGlobal
 
     if (auto* messagePort = jsDynamicCast<JSMessagePort*>(port)) {
         return JSC::JSValue::encode(messagePort->wrapped().tryTakeMessage(lexicalGlobalObject));
-    } else if (auto* broadcastChannel = jsDynamicCast<JSBroadcastChannel*>(port)) {
+    } else if (jsDynamicCast<JSBroadcastChannel*>(port)) {
         // TODO: support broadcast channels
         return JSC::JSValue::encode(jsUndefined());
     }
diff --git a/src/bun.js/bindings/workaround-missing-symbols.cpp b/src/bun.js/bindings/workaround-missing-symbols.cpp
index 2ca4eaf351..e55f4d2991 100644
--- a/src/bun.js/bindings/workaround-missing-symbols.cpp
+++ b/src/bun.js/bindings/workaround-missing-symbols.cpp
@@ -83,8 +83,11 @@ extern "C" int kill(int pid, int sig)
 #if defined(__x86_64__)
 __asm__(".symver exp,exp@GLIBC_2.2.5");
 __asm__(".symver expf,expf@GLIBC_2.2.5");
+__asm__(".symver log,log@GLIBC_2.2.5");
+__asm__(".symver log2,log2@GLIBC_2.2.5");
 __asm__(".symver log2f,log2f@GLIBC_2.2.5");
 __asm__(".symver logf,logf@GLIBC_2.2.5");
+__asm__(".symver pow,pow@GLIBC_2.2.5");
 __asm__(".symver powf,powf@GLIBC_2.2.5");
 #elif defined(__aarch64__)
 __asm__(".symver expf,expf@GLIBC_2.17");
@@ -110,38 +113,22 @@ float BUN_WRAP_GLIBC_SYMBOL(expf)(float);
 float BUN_WRAP_GLIBC_SYMBOL(log2f)(float);
 float BUN_WRAP_GLIBC_SYMBOL(logf)(float);
 float BUN_WRAP_GLIBC_SYMBOL(powf)(float, float);
-
-#if defined(__aarch64__)
-
 double BUN_WRAP_GLIBC_SYMBOL(pow)(double, double);
 double BUN_WRAP_GLIBC_SYMBOL(log)(double);
 double BUN_WRAP_GLIBC_SYMBOL(log2)(double);
 int BUN_WRAP_GLIBC_SYMBOL(fcntl64)(int, int, ...);
 
-#endif
-
-#if defined(__x86_64__) || defined(__aarch64__)
-
 float __wrap_expf(float x) { return expf(x); }
 float __wrap_powf(float x, float y) { return powf(x, y); }
 float __wrap_logf(float x) { return logf(x); }
 float __wrap_log2f(float x) { return log2f(x); }
 double __wrap_exp(double x) { return exp(x); }
-
-#if defined(__aarch64__)
-
 double __wrap_pow(double x, double y) { return pow(x, y); }
 double __wrap_log(double x) { return log(x); }
 double __wrap_log2(double x) { return log2(x); }
 
-#endif
-
-#endif // x86_64 or aarch64
-
 } // extern "C"
 
-#if defined(__aarch64__)
-
 typedef int (*fcntl64_func)(int fd, int cmd, ...);
 
 enum arg_type {
@@ -232,8 +219,6 @@ extern "C" int __wrap_fcntl64(int fd, int cmd, ...)
     }
 }
 
-#endif
-
 extern "C" __attribute__((used)) char _libc_single_threaded = 0;
 extern "C" __attribute__((used)) char __libc_single_threaded = 0;
 
diff --git a/src/bun.js/bindings/wtf-bindings.cpp b/src/bun.js/bindings/wtf-bindings.cpp
index 073ff9e31b..f549709e66 100644
--- a/src/bun.js/bindings/wtf-bindings.cpp
+++ b/src/bun.js/bindings/wtf-bindings.cpp
@@ -17,7 +17,7 @@
 #include <termios.h>
 static int orig_termios_fd = -1;
 static struct termios orig_termios;
-static _Atomic int orig_termios_spinlock;
+static std::atomic<int> orig_termios_spinlock;
 static std::once_flag reset_once_flag;
 
 static int current_tty_mode = 0;
diff --git a/src/bun.js/modules/NodeModuleModule.cpp b/src/bun.js/modules/NodeModuleModule.cpp
index 2f8cf33b4a..32da70399a 100644
--- a/src/bun.js/modules/NodeModuleModule.cpp
+++ b/src/bun.js/modules/NodeModuleModule.cpp
@@ -882,7 +882,7 @@ JSC_DEFINE_HOST_FUNCTION(jsFunctionIsModuleResolveFilenameSlowPathEnabled,
 {
     return JSValue::encode(
         jsBoolean(defaultGlobalObject(globalObject)
-                      ->hasOverriddenModuleResolveFilenameFunction));
+                ->hasOverriddenModuleResolveFilenameFunction));
 }
 
 } // namespace Bun
@@ -912,7 +912,7 @@ void generateNativeModule_NodeModule(JSC::JSGlobalObject* lexicalGlobalObject,
     exportValues.append(constructor);
 
     for (unsigned i = 0; i < Bun::countof(Bun::nodeModuleObjectTableValues);
-         ++i) {
+        ++i) {
         const auto& entry = Bun::nodeModuleObjectTableValues[i];
         const auto& property = Identifier::fromString(vm, entry.m_key);
         JSValue value = constructor->getIfPropertyExists(globalObject, property);
diff --git a/src/bun.js/modules/NodeProcessModule.h b/src/bun.js/modules/NodeProcessModule.h
index 5989dd9a8c..0b7b2f1c98 100644
--- a/src/bun.js/modules/NodeProcessModule.h
+++ b/src/bun.js/modules/NodeProcessModule.h
@@ -21,8 +21,8 @@ JSC_DEFINE_CUSTOM_GETTER(jsFunctionProcessModuleCommonJSGetter,
 {
 
     return JSValue::encode(reinterpret_cast<Zig::GlobalObject*>(globalObject)
-                               ->processObject()
-                               ->get(globalObject, propertyName));
+            ->processObject()
+            ->get(globalObject, propertyName));
 }
 
 JSC_DEFINE_CUSTOM_SETTER(jsFunctionProcessModuleCommonJSSetter,
diff --git a/test/napi/node-napi.test.ts b/test/napi/node-napi.test.ts
index 1f78c2b8d1..8f552d83d3 100644
--- a/test/napi/node-napi.test.ts
+++ b/test/napi/node-napi.test.ts
@@ -87,7 +87,7 @@ beforeAll(async () => {
         // on linux CI, node-gyp will default to g++ and the version installed there is very old,
         // so we make it use clang instead
         ...(process.platform == "linux" && isCI
-          ? { "CC": "/usr/lib/llvm-18/bin/clang", CXX: "/usr/lib/llvm-18/bin/clang++" }
+          ? { "CC": "/usr/lib/llvm-19/bin/clang", CXX: "/usr/lib/llvm-19/bin/clang++" }
           : {}),
       },
     });