egcs/gcc ChangeLog cfgrtl.c cfgcleanup.c tests ...

[jakub@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	jakub@gcc.gnu.org	2001-12-30 04:20:43

Modified files:
	gcc            : ChangeLog cfgrtl.c cfgcleanup.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: 20011229-2.c 

Log message:
	* cfgrtl.c (try_redirect_by_replacing_jump): Allow redirect_jump
	to fail if target is EXIT_BLOCK_PTR, die otherwise.
	(redirect_edge_and_branch): Likewise.
	* cfgcleanup.c (try_forward_edge): Don't force jump redirecting
	if target is EXIT_BLOCK_PTR.
	
	* gcc.c-torture/compile/20011229-2.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.12483&r2=1.12484
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cfgrtl.c.diff?cvsroot=gcc&r1=1.22&r2=1.23
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/cfgcleanup.c.diff?cvsroot=gcc&r1=1.28&r2=1.29
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.1506&r2=1.1507
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/egcs/gcc/testsuite/gcc.c-torture/compile/20011229-2.c.diff?cvsroot=gcc&r1=NONE&r2=1.1