[Bug middle-end/20991] [4.0 Regression] ICE in cgraph_mark_reachable_node

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-04-19 05:52 -------
Subject: Bug 20991

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-4_0-branch
Changes by:	jakub@gcc.gnu.org	2005-04-19 05:52:46

Modified files:
	gcc            : ChangeLog tree-ssa-ccp.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/g++.dg/opt: pr20991.C 

Log message:
	PR middle-end/20991
	* tree-ssa-ccp.c (fold_stmt): Don't optimize OBJ_TYPE_REFs if that
	would result in an already finalized unreachable node becoming
	reachable while cgraph_global_info_ready.
	
	* g++.dg/opt/pr20991.C: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.7592.2.170&r2=2.7592.2.171
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-ccp.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=2.58&r2=2.58.2.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=1.5084.2.128&r2=1.5084.2.129
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/g++.dg/opt/pr20991.C.diff?cvsroot=gcc&only_with_tag=gcc-4_0-branch&r1=NONE&r2=1.1.2.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20991