1 files changed, 19 insertions, 0 deletions
diff --git a/test/msan/report-demangling.cc b/test/msan/report-demangling.cc
new file mode 100644
index 000000000..e6d5c27ec
--- /dev/null
+++ b/test/msan/report-demangling.cc
@@ -0,0 +1,19 @@
+// Test that function name is mangled in the "created by an allocation" line,
+// and demangled in the single-frame "stack trace" that follows.
+
+// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %s -o %t && not %run %t >%t.out 2>&1
+// RUN: FileCheck %s < %t.out && FileCheck %s < %t.out
+
+__attribute__((noinline))
+int f() {
+  int x;
+  int *volatile p = &x;
+  return *p;
+}
+
+int main(int argc, char **argv) {
+  return f();
+  // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
+  // CHECK: Uninitialized value was created by an allocation of 'x' in the stack frame of function '_Z1fv'
+  // CHECK: #0 {{.*}} in f() {{.*}}report-demangling.cc:[[@LINE-10]]
+}