1 files changed, 23 insertions, 0 deletions
diff --git a/test/sanitizer_common/TestCases/Posix/dump_instruction_bytes.cc b/test/sanitizer_common/TestCases/Posix/dump_instruction_bytes.cc
new file mode 100644
index 0000000000000..87e797a00ae13
--- /dev/null
+++ b/test/sanitizer_common/TestCases/Posix/dump_instruction_bytes.cc
@@ -0,0 +1,23 @@
+// Check that sanitizer prints the faulting instruction bytes on
+// dump_instruction_bytes=1
+
+// clang-format off
+// RUN: %clangxx  %s -o %t
+// RUN: %env_tool_opts=dump_instruction_bytes=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-DUMP
+// RUN: not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NODUMP
+// clang-format on
+
+// REQUIRES: x86-target-arch
+
+int main() {
+#if defined(__x86_64__)
+  asm("movq $0, %rax");
+  asm("movl $0xcafebabe, 0x0(%rax)");
+#elif defined(i386)
+  asm("movl $0, %eax");
+  asm("movl $0xcafebabe, 0x0(%eax)");
+#endif
+  // CHECK-DUMP: First 16 instruction bytes at pc: c7 00 be ba fe ca
+  // CHECK-NODUMP-NOT: First 16 instruction bytes
+  return 0;
+}