[Bug ipa/63598] [5.0 Regression] ICE: in ipa_merge_profiles at ipa-utils.c:396

danglin at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Wed Oct 22 01:24:00 GMT 2014


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63598

--- Comment #2 from John David Anglin <danglin at gcc dot gnu.org> ---
If I apply this change

Index: ipa-icf.c
===================================================================
--- ipa-icf.c    (revision 216524)
+++ ipa-icf.c    (working copy)
@@ -584,8 +584,12 @@
       || (DECL_COMDAT_GROUP (original->decl)
           && (DECL_COMDAT_GROUP (original->decl)
           == DECL_COMDAT_GROUP (alias->decl)))))
-    local_original
-      = dyn_cast <cgraph_node *> (original->noninterposable_alias ());
+    {
+      local_original
+    = dyn_cast <cgraph_node *> (original->noninterposable_alias ());
+      if (!local_original)
+    return false;
+    }

   if (redirect_callers)
     {

, the following error occurs in stage1:

/usr/ccs/bin/ld: Invalid symbol type for plabel
(.libs/libstdc++.lax/libsupc++co
nvenience.a/tinfo.o, std::type_info::__is_pointer_p() const).
collect2: error: ld returned 1 exit status



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