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[clang] Fix crash when diagnosing unsupported attributes #150333

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Merged
merged 1 commit into from
Jul 24, 2025
Merged

[clang] Fix crash when diagnosing unsupported attributes #150333

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3 changes: 2 additions & 1 deletion clang/lib/Sema/SemaDeclAttr.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2034,7 +2034,8 @@ bool Sema::CheckAttrTarget(const ParsedAttr &AL) {
// Check whether the attribute is valid on the current target.
if (!AL.existsInTarget(Context.getTargetInfo())) {
if (AL.isRegularKeywordAttribute())
Diag(AL.getLoc(), diag::err_keyword_not_supported_on_target);
Diag(AL.getLoc(), diag::err_keyword_not_supported_on_target)
<< AL << AL.getRange();
else
DiagnoseUnknownAttribute(AL);
AL.setInvalid();
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3 changes: 3 additions & 0 deletions clang/test/Sema/unsupported-arm-streaming.cpp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
// RUN: %clang_cc1 -x c -triple x86_64-pc-linux-gnu -fsyntax-only -verify %s

void arm_streaming(void) __arm_streaming {} // expected-error {{'__arm_streaming' is not supported on this target}}