Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/profile/Linux/instrprof-dir.c

@@ -0,0 +1,13 @@
+// RUN: %clang_pgogen -o %t %s
+// RUN: env LLVM_PROFILE_FILE="%t.d/%m.profraw"
+// RUN: rm -fr %t.d
+// RUN: %run %t %t.d
+
+#include <errno.h>
+#include <unistd.h>
+
+int main(int argc, char **argv) {
+  if (access(argv[1], F_OK) == 0)
+    return 1; // %t.d should not exist yet.
+  return !(errno == ENOENT);
+}