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This can be used to detect whether the code is being built with UBSan using the __has_feature(undefined_behavior_sanitizer) predicate. Differential Revision: https://reviews.llvm.org/D52386 llvm-svn: 342793
14 lines
453 B
C++
14 lines
453 B
C++
// RUN: %clang -E -fsanitize=undefined %s -o - | FileCheck --check-prefix=CHECK-UBSAN %s
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// RUN: %clang -E -fsanitize=alignment %s -o - | FileCheck --check-prefix=CHECK-ALIGNMENT %s
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// RUN: %clang -E %s -o - | FileCheck --check-prefix=CHECK-NO-UBSAN %s
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#if __has_feature(undefined_behavior_sanitizer)
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int UBSanEnabled();
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#else
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int UBSanDisabled();
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#endif
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// CHECK-UBSAN: UBSanEnabled
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// CHECK-ALIGNMENT: UBSanEnabled
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// CHECK-NO-UBSAN: UBSanDisabled
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