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[Bug c/50179] [4.6/4.7 Regression] wrong "set but not used" warning
- From: "jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 26 Aug 2011 14:48:13 +0000
- Subject: [Bug c/50179] [4.6/4.7 Regression] wrong "set but not used" warning
- Auto-submitted: auto-generated
- References: <bug-50179-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50179
--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-08-26 14:48:13 UTC ---
Author: jakub
Date: Fri Aug 26 14:48:10 2011
New Revision: 178112
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178112
Log:
PR c/50179
* c-typeck.c (c_process_expr_stmt): Skip over nops and
call mark_exp_read even if exprv is ADDR_EXPR.
* c-c++-common/Wunused-var-14.c: New test.
Added:
branches/gcc-4_6-branch/gcc/testsuite/c-c++-common/Wunused-var-14.c
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/c-typeck.c
branches/gcc-4_6-branch/gcc/testsuite/ChangeLog