[Bug tree-optimization/21380] [4.0 Regression] ICE compiling with -O

[cvs-commit at gcc dot gnu dot org]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-05-06 16:44 -------
Subject: Bug 21380

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	law@gcc.gnu.org	2005-05-06 16:43:58

Modified files:
	gcc            : ChangeLog tree-ssa-threadupdate.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: pr21380.c 

Log message:
	PR tree-optimization/21380
	* tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
	thread through a block with no preds.
	
	* gcc.c-torture/compile/pr21380.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8625&r2=2.8626
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-ssa-threadupdate.c.diff?cvsroot=gcc&r1=2.24&r2=2.25
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5443&r2=1.5444
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/pr21380.c.diff?cvsroot=gcc&r1=1.1&r2=1.2



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21380