In LLVM LTO builds with cfguard enabled, the non-extern
__guard_dispatch_icall_dummy can't pose as replacement for the
undefined symbol reference to an extern __guard_dispatch_icall_dummy.
Signed-off-by: Martin Storsjö <mar...@martin.st>
---
mingw-w64-crt/cfguard/mingw_cfguard_support.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/mingw-w64-crt/cfguard/mingw_cfguard_support.c
b/mingw-w64-crt/cfguard/mingw_cfguard_support.c
index cf4535afd..1e777ebfc 100644
--- a/mingw-w64-crt/cfguard/mingw_cfguard_support.c
+++ b/mingw-w64-crt/cfguard/mingw_cfguard_support.c
@@ -20,6 +20,7 @@ static void __guard_check_icall_dummy(void) {}
// When CFGuard is not active, directly tail-call the target address, which
// is passed via %rax.
__asm__(
+ ".globl __guard_dispatch_icall_dummy\n"
"__guard_dispatch_icall_dummy:\n"
" jmp *%rax\n"
);
--
2.34.1
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