Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/msan/setlocale.cc

@@ -0,0 +1,13 @@
+// RUN: %clangxx_msan -O0 %s -o %t && %run %t
+
+#include <assert.h>
+#include <locale.h>
+#include <stdlib.h>
+
+int main(void) {
+  char *locale = setlocale (LC_ALL, "");
+  assert(locale);
+  if (locale[0])
+    exit(0);
+  return 0;
+}