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[sanitizer] Fix empty string in unsupported argument error for -fsanitize-trap #136549

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[sanitizer] Fix empty string in unsupported argument error for -fsanitize-trap #136549

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4 changes: 2 additions & 2 deletions clang/lib/Driver/SanitizerArgs.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -286,7 +286,7 @@ parseSanitizeArgs(const Driver &D, const llvm::opt::ArgList &Args,
Add & AlwaysOut & ~DiagnosedAlwaysOutViolations) {
if (DiagnoseErrors) {
SanitizerSet SetToDiagnose;
SetToDiagnose.Mask |= KindsToDiagnose;
SetToDiagnose.Mask |= expandSanitizerGroups(KindsToDiagnose);
D.Diag(diag::err_drv_unsupported_option_argument)
<< Arg->getSpelling() << toString(SetToDiagnose);
DiagnosedAlwaysOutViolations |= KindsToDiagnose;
Expand All @@ -302,7 +302,7 @@ parseSanitizeArgs(const Driver &D, const llvm::opt::ArgList &Args,
Remove & AlwaysIn & ~DiagnosedAlwaysInViolations) {
if (DiagnoseErrors) {
SanitizerSet SetToDiagnose;
SetToDiagnose.Mask |= KindsToDiagnose;
SetToDiagnose.Mask |= expandSanitizerGroups(KindsToDiagnose);
D.Diag(diag::err_drv_unsupported_option_argument)
<< Arg->getSpelling() << toString(SetToDiagnose);
DiagnosedAlwaysInViolations |= KindsToDiagnose;
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3 changes: 3 additions & 0 deletions clang/test/Driver/fsanitize.c
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Expand Up @@ -259,6 +259,9 @@
// RUN: not %clang --target=aarch64-linux -fsanitize=memtag -I +mte %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANMT-NOMT-1
// CHECK-SANMT-NOMT-1: '-fsanitize=memtag-stack' requires hardware support (+memtag)

// RUN: not %clang --target=aarch64-linux-android31 -fsanitize-trap=memtag -march=armv8-a+memtag -c %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-SANMT-TRAP
// CHECK-SANMT-TRAP: error: unsupported argument 'memtag-stack,memtag-heap,memtag-globals' to option '-fsanitize-trap='

// RUN: %clang --target=x86_64-linux-gnu -fsanitize=address -fsanitize-address-use-after-scope %s -### 2>&1 | FileCheck %s --check-prefix=CHECK-USE-AFTER-SCOPE
// RUN: %clang_cl --target=x86_64-windows -fsanitize=address -fsanitize-address-use-after-scope -### -- %s 2>&1 | FileCheck %s --check-prefix=CHECK-USE-AFTER-SCOPE
// CHECK-USE-AFTER-SCOPE: -cc1{{.*}}-fsanitize-address-use-after-scope
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