PR go/64595

runtime: Don't crash in runtime_callers if no debug info available.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@220057 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 0 deletions

diff --git a/libgo/runtime/go-callers.c b/libgo/runtime/go-callers.c
index 047034539a9..34a21188e3a 100644
--- a/libgo/runtime/go-callers.c
+++ b/libgo/runtime/go-callers.c
@@ -129,6 +129,11 @@ static void
 error_callback (void *data __attribute__ ((unused)),
 		const char *msg, int errnum)
 {
+  if (errnum == -1)
+    {
+      /* No debug info available.  Carry on as best we can.  */
+      return;
+    }
   if (errnum != 0)
     runtime_printf ("%s errno %d\n", msg, errnum);
   runtime_throw (msg);