Fix node_modules.jsb loading in JSC

Former-commit-id: 43366ce3634ca35629e1f8234df86206f6411910

src/javascript/jsc/javascript.zig

@@ -113,7 +113,7 @@ pub const VirtualMachine = struct {
     threadlocal var source_code_printer: js_printer.BufferPrinter = undefined;
     threadlocal var source_code_printer_loaded: bool = false;
 
-    fn _fetch(
+    inline fn _fetch(
         global: *JSGlobalObject,
         specifier: string,
         source: string,
@@ -130,6 +130,7 @@ pub const VirtualMachine = struct {
             // - file path + file descriptor for bytecode caching
             // - separate bundles for server build vs browser build OR at least separate sections
             const code = try vm.node_modules.?.readCodeAsStringSlow(vm.allocator);
+
             return ResolvedSource{
                 .source_code = ZigString.init(code),
                 .specifier = ZigString.init(vm.bundler.linker.nodeModuleBundleImportPath()),

src/node_module_bundle.zig

@@ -303,7 +303,7 @@ pub const NodeModuleBundle = struct {
             .bundle = container.bundle.?,
             .fd = stream.handle,
             // sorry you can't have 4 GB of node_modules
-            .code_end_pos = @truncate(u32, file_end) - @intCast(u32, jsbundle_prefix.len),
+            .code_end_pos = end - @intCast(u32, jsbundle_prefix.len),
             .bytes = read_bytes,
             .bytes_ptr = file_bytes,
             .package_id_map = undefined,