tree 3301b7a4ec90ce925312e692a33f1084db8da3f9
parent 6a1d3ea57d344b96be352ae3203ed621359445b3
author Fangrui Song <i@maskray.me> 1746842417 -0700
committer Fangrui Song <i@maskray.me> 1746842417 -0700

MC: Support quoted symbol names

gas has supported " quoted symbols since 2015.
Both \ and " need to be escaped.
https://sourceware.org/pipermail/binutils/2015-August/090003.html

We don't unescape \\ or \" in assembly strings, leading to clang -c
--save-temps vs clang -c difference for the following C code:

```
int x asm("a\"\\b");
```

Fix #138390

MC/COFF/safeseh.h looks incorrect. \01 in `.safeseh "\01foo"` is not a
correct escape sequence. Change it to \\

Pull Request: https://github.com/llvm/llvm-project/pull/138817