From df8ad0cf0be0d41841da7bbb56604e84be5d47f6 Mon Sep 17 00:00:00 2001 From: pfg Date: Wed, 14 May 2025 22:14:55 -0700 Subject: [PATCH] Fix utf-8 parsing issue in the parser (#19666) --- src/string_immutable.zig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/string_immutable.zig b/src/string_immutable.zig index 5ff63a9815..83f46c4be9 100644 --- a/src/string_immutable.zig +++ b/src/string_immutable.zig @@ -3820,6 +3820,9 @@ pub inline fn decodeWTF8RuneTMultibyte(p: *const [4]u8, len: u3_fast, comptime T } const s3 = p[3]; + + if ((s3 & 0xC0) != 0x80) return zero; + { const cp = (@as(T, p[0] & 0x07) << 18) | (@as(T, s1 & 0x3F) << 12) | (@as(T, s2 & 0x3F) << 6) | (@as(T, s3 & 0x3F)); if (cp < 0x10000 or cp > 0x10FFFF) return zero;