Add ability to track uninitialized variables, and mark uninitialized

variables in the Dwarf debug info.  Controlled by compile option
-fvar-tracking-uninit



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@126630 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 3 insertions, 0 deletions

diff --git a/gcc/config/darwin.c b/gcc/config/darwin.c
index 9d703da70a1..0673915200f 100644
--- a/gcc/config/darwin.c
+++ b/gcc/config/darwin.c
@@ -1728,6 +1728,9 @@ darwin_override_options (void)
       /* No -fnon-call-exceptions data in kexts.  */
       flag_non_call_exceptions = 0;
     }
+  if (flag_var_tracking
+      && strverscmp (darwin_macosx_version_min, "10.5") >= 0)
+    flag_var_tracking_uninit = 1;
 }
 
 #include "gt-darwin.h"