================
@@ -1038,3 +1038,10 @@
// RUN: not %clang --target=aarch64-none-elf -fsanitize=dataflow %s -### 2>&1
| FileCheck %s -check-prefix=UNSUPPORTED-BAREMETAL
// RUN: not %clang --target=arm-arm-none-eabi -fsanitize=shadow-call-stack %s
-### 2>&1 | FileCheck %s -check-prefix=UNSUPPORTED-BAREMETAL
// UNSUPPORTED-BAREMETAL: unsupported option '-fsanitize={{.*}}' for target
+
+// RUN: %clang -O0 -O1 -fsanitize=address %s -### 2>&1 | FileCheck %s
-check-prefix=CHECK-SAN-OPT-WARN
+// RUN: %clang -Ofast -fsanitize=address %s -### 2>&1 | FileCheck %s
-check-prefix=CHECK-SAN-OPT-WARN
+// RUN: %clang -O3 -fsanitize=address %s -### 2>&1 | FileCheck %s
-check-prefix=CHECK-SAN-OPT-WARN
+// RUN: %clang -O2 -fsanitize=thread %s -### 2>&1 | FileCheck %s
-check-prefix=CHECK-SAN-OPT-WARN
+// RUN: %clang -O1 -fsanitize=thread %s -### 2>&1 | FileCheck %s
-check-prefix=CHECK-SAN-OPT-WARN
+// CHECK-SAN-OPT-WARN: warning: enabling optimizations with sanitizers may
potentially reduce effectiveness
----------------
sandeepkosuri wrote:
```suggestion
// CHECK-SAN-OPT-WARN: warning: enabling optimizations may reduce the
effectiveness of sanitizers
```
https://github.com/llvm/llvm-project/pull/95934
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