[Bug bootstrap/46037] --enable-stage1-languages=c,lto --enable-languages=c,lto --with-build-config=bootstrap-lto fails on darwin

[howarth at nitro dot med.uc.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46037

--- Comment #21 from Jack Howarth <howarth at nitro dot med.uc.edu> 2011-01-11 
18:06:31 UTC ---
This brute force approach works for both a standard and lto-bootstrap...

Index: gcc/config/darwin.c
===================================================================
--- gcc/config/darwin.c    (revision 168667)
+++ gcc/config/darwin.c    (working copy)
@@ -2615,10 +2615,23 @@ darwin_override_options (void)
       darwin_emit_branch_islands = true;
     }

+  if (flag_gtoggle)
+    {
+      if (debug_info_level == DINFO_LEVEL_NONE)
+        {
+          debug_info_level = DINFO_LEVEL_NORMAL;
+
+          if (write_symbols == NO_DEBUG)
+            write_symbols = PREFERRED_DEBUGGING_TYPE;
+        }
+      else
+        debug_info_level = DINFO_LEVEL_NONE;
+    }
+
   if (flag_var_tracking
-      && (generating_for_darwin_version >= 9)
+      && generating_for_darwin_version >= 9
       && debug_info_level >= DINFO_LEVEL_NORMAL
-      && debug_hooks->var_location != do_nothing_debug_hooks.var_location)
+      && write_symbols == DWARF2_DEBUG)
     flag_var_tracking_uninit = 1;

   if (MACHO_DYNAMIC_NO_PIC_P)