[llvm] [MC] Make .note.GNU-stack explicit for the trampoline case (PR #151754)

[Fangrui Song via llvm-commits]

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@@ -630,7 +630,8 @@ int main(int argc, char **argv) {
                : MAB->createObjectWriter(*OS),
         std::unique_ptr<MCCodeEmitter>(CE), *STI));
     if (NoExecStack)
-      Str->switchSection(Ctx.getAsmInfo()->getNonexecutableStackSection(Ctx));
+      Str->switchSection(
+          Ctx.getAsmInfo()->getStackSection(Ctx, /* Exec */ false));
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MaskRay wrote:

Canonical way (preferred by clang-tidy) `/*Exec=*/false`. ditto above

https://github.com/llvm/llvm-project/pull/151754