[Bug lto/50383] ICE in lto_symtab_register_decl, at lto-symtab.c:148

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50383

--- Comment #8 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-09-16 
08:33:30 UTC ---
Quick&dirty workaround for this problem:
Index: lto-symtab.c
===================================================================
--- lto-symtab.c        (revision 178757)
+++ lto-symtab.c        (working copy)
@@ -141,11 +141,14 @@ lto_symtab_register_decl (tree decl,
      properties inconsistent with having external linkage.  If any of
      these asertions fail, then the object file reader has failed to
      detect these cases and issue appropriate error messages.  */
-  gcc_assert (decl
+  if (decl
              && TREE_PUBLIC (decl)
              && (TREE_CODE (decl) == VAR_DECL
                  || TREE_CODE (decl) == FUNCTION_DECL)
-             && DECL_ASSEMBLER_NAME_SET_P (decl));
+             && DECL_ASSEMBLER_NAME_SET_P (decl))
+    ;
+  else
+    return;
   if (TREE_CODE (decl) == VAR_DECL
       && DECL_INITIAL (decl))
     gcc_assert (!DECL_EXTERNAL (decl)
@@ -781,6 +784,9 @@ lto_symtab_prevailing_decl (tree decl)
   if (TREE_CODE (decl) == FUNCTION_DECL && DECL_ABSTRACT (decl))
     return decl;

+  if (!DECL_ASSEMBLER_NAME_SET_P (decl))
+    return decl;
+
   /* Ensure DECL_ASSEMBLER_NAME will not set assembler name.  */
   gcc_assert (DECL_ASSEMBLER_NAME_SET_P (decl));