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Compilation: Fix -fno-rtlib-defaultlib unused argument warning in ReleaseSafe.

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Closes #23138.
This commit is contained in:
Alex Rønne Petersen 2025-03-08 06:41:51 +01:00
parent 5466a2f72d
commit 3b3c18909d
1 changed files with 11 additions and 9 deletions
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20
src/Compilation.zig
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@ -6029,17 +6029,19 @@ pub fn addCCArgs(
// function was called.
try argv.append("-fno-sanitize=function");
// It's recommended to use the minimal runtime in production environments
// due to the security implications of the full runtime. The minimal runtime
// doesn't provide much benefit over simply trapping.
if (mod.optimize_mode == .ReleaseSafe) {
// It's recommended to use the minimal runtime in production
// environments due to the security implications of the full runtime.
// The minimal runtime doesn't provide much benefit over simply
// trapping, however, so we do that instead.
try argv.append("-fsanitize-trap=undefined");
}
// This is necessary because, by default, Clang instructs LLVM to embed a COFF link
// dependency on `libclang_rt.ubsan_standalone.a` when the UBSan runtime is used.
if (target.os.tag == .windows) {
try argv.append("-fno-rtlib-defaultlib");
} else {
// This is necessary because, by default, Clang instructs LLVM to embed
// a COFF link dependency on `libclang_rt.ubsan_standalone.a` when the
// UBSan runtime is used.
if (target.os.tag == .windows) {
try argv.append("-fno-rtlib-defaultlib");
}
}
}
}