[Bug tree-optimization/23402] [4.1 Regression] error: statement makes a memory store, but has no V_MAY_DEFS nor V_MUST_DEFS

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2005-08-17 01:55 -------
Subject: Bug 23402

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	pinskia@gcc.gnu.org	2005-08-17 01:55:05

Modified files:
	gcc            : ChangeLog gimplify.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.c-torture/compile: zero-strct-3.c 
	                                     zero-strct-4.c 

Log message:
	2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/23402
	* gcc.c-torture/compile/zero-strct-3.c: New test.
	* gcc.c-torture/compile/zero-strct-4.c: New test.
	
	2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
	
	PR tree-opt/23402
	* gimplify.c (zero_sized_type): New function.
	(gimplify_modify_expr_rhs): If we have a zero sized type,
	replace the statement with an empty statement.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9753&r2=2.9754
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/gimplify.c.diff?cvsroot=gcc&r1=2.146&r2=2.147
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5932&r2=1.5933
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/zero-strct-3.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.c-torture/compile/zero-strct-4.c.diff?cvsroot=gcc&r1=NONE&r2=1.1



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23402