[clang] [compiler-rt] [Sanitizers] the access size (8 bytes) exceeds the max lock-free size (4 bytes) for 32-bit (PR #125388)

[Hubert Tong via llvm-commits]

================
@@ -1120,3 +1120,21 @@
 // RUN:        -c \
 // RUN:   | FileCheck --check-prefixes=CHECK-K-UNUSED %s
 // CHECK-K-UNUSED: clang: warning: -K: 'linker' input unused [-Wunused-command-line-argument]
+
+// Check No Sanitizer on 32-bit AIX
+// RUN: %if target={{.*aix.*}} %{ \
+// RUN:   %clang -target powerpc-ibm-aix -m32 %s -### 2>&1 \
+// RUN:   | FileCheck -check-prefix=CHECK-LD32-NO-SANITIZER %s \
+// RUN: %}
+// %if target={{.*aix.*}} %{ 
+// CHECK-LD32-NO-SANITIZER-NOT: "-latomic"
+// %}
+
+// Check enable AddressSanitizer on 32-bit AIX
+// RUN: %if target={{.*aix.*}} %{ \
+// RUN:   %clang -target powerpc-ibm-aix -m32 -fsanitize=address %s -### 2>&1 \
+// RUN:   | FileCheck -check-prefix=CHECK-LD32-ASAN %s \
+// RUN: %}
+// %if target={{.*aix.*}} %{ 
+// CHECK-LD32-ASAN: "-latomic"
+// %}
----------------
hubert-reinterpretcast wrote:

```suggestion
// CHECK-LD32-ASAN: "-latomic"
```

https://github.com/llvm/llvm-project/pull/125388