gcc/gcc ChangeLog c-typeck.c testsuite/ChangeL ...

[nathan@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	nathan@gcc.gnu.org	2002-10-01 12:11:07

Modified files:
	gcc            : ChangeLog c-typeck.c 
	gcc/testsuite  : ChangeLog 
Added files:
	gcc/testsuite/gcc.dg: alias-1.c 

Log message:
	PR c/8083
	* c-typeck.c (build_c_cast): Warn about type punning which breaks
	type based aliasing.
	testsuite:
	* gcc.dg/alias-1.c: New test.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=1.15590&r2=1.15591
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-typeck.c.diff?cvsroot=gcc&r1=1.208&r2=1.209
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.2113&r2=1.2114
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/alias-1.c.diff?cvsroot=gcc&r1=NONE&r2=1.1