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Re: C++ Issue on GCC 3.0 branch
- To: dave at hiauly1 dot hia dot nrc dot ca (John David Anglin)
- Subject: Re: C++ Issue on GCC 3.0 branch
- From: "John David Anglin" <dave at hiauly1 dot hia dot nrc dot ca>
- Date: Sat, 21 Apr 2001 22:33:12 -0400 (EDT)
- Cc: mark at codesourcery dot com, law at cygnus dot com, gcc-patches at gcc dot gnu dot org, gcc at gcc dot gnu dot org
> 2001-04-21 John David Anglin <dave@hiauly1.hia.nrc.ca>
>
> * builtins.c (expand_builtin_setjmp_setup): Set nonlocal flag in label.
Close but no cigar. This one actually bootstraps with no regressions under
i686 linux. However, I think it only addresses the symptom of the problem.
There must be a label uses problem somewhere. In any event, the testcase
for duplicate symbols will compile with the patch installed.
Dave
--
J. David Anglin dave.anglin@nrc.ca
National Research Council of Canada (613) 990-0752 (FAX: 952-6605)
2001-04-21 John David Anglin <dave@hiauly1.hia.nrc.ca>
* builtins.c (expand_builtin_setjmp): Mark next_lab as used.
--- builtins.c.orig Wed Feb 7 05:24:22 2001
+++ builtins.c Sat Apr 21 20:18:59 2001
@@ -617,6 +617,7 @@
buf_addr = expand_expr (TREE_VALUE (arglist), NULL_RTX, VOIDmode, 0);
next_lab = gen_label_rtx ();
+ LABEL_PRESERVE_P (next_lab) = 1;
cont_lab = gen_label_rtx ();
expand_builtin_setjmp_setup (buf_addr, next_lab);