Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

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

@@ -0,0 +1,14 @@
+// RUN: %clangxx_msan -O0 %s -o %t && %run %t
+
+#include <assert.h>
+#include <dlfcn.h>
+#include <stdio.h>
+#include <string.h>
+
+int main(void) {
+  void *p = dlopen("/bad/file/name", RTLD_NOW);
+  assert(!p);
+  char *s = dlerror();
+  printf("%s, %zu\n", s, strlen(s));
+  return 0;
+}