Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/asan/TestCases/Helpers/echo-env.cc

@@ -0,0 +1,19 @@
+// Helper binary for
+// lit_tests/TestCases/Darwin/unset-insert-libraries-on-exec.cc
+// Prints the environment variable with the given name.
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+  if (argc != 2) {
+    printf("Usage: %s ENVNAME\n", argv[0]);
+    exit(1);
+  }
+  const char *value = getenv(argv[1]);
+  if (value) {
+    printf("%s = %s\n", argv[1], value);
+  } else {
+    printf("%s not set.\n", argv[1]);
+  }
+  return 0;
+}