1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Support/Unix/Path.inc b/lib/Support/Unix/Path.inc
index b82371a7b6..1ee2a1cf74 100644
--- a/lib/Support/Unix/Path.inc
+++ b/lib/Support/Unix/Path.inc
@@ -256,6 +256,14 @@ Path::GetCurrentDirectory() {
 #if !defined(__native_client__)
   char pathname[MAXPATHLEN];
   if (!getcwd(pathname, MAXPATHLEN)) {
+    // @LOCALMOD-BEGIN: Debug Mac SDK issues.
+    char error_buf[160];
+    if (snprintf(error_buf, sizeof(error_buf),
+                 "Failed to getcwd w/ MAXPATHLEN: %d\n", MAXPATHLEN) > 0)
+      perror(error_buf);
+    else
+      perror("Failed to getcwd");
+    // @LOCALMOD-END
     assert(false && "Could not query current working directory.");
     return Path();
   }