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[Bug c/59871] [4.7/4.8/4.9 Regression] No unused value warning for comma expression
- From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 23 Jan 2014 19:05:01 +0000
- Subject: [Bug c/59871] [4.7/4.8/4.9 Regression] No unused value warning for comma expression
- Auto-submitted: auto-generated
- References: <bug-59871-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59871
--- Comment #7 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Author: mpolacek
Date: Thu Jan 23 19:04:29 2014
New Revision: 207002
URL: http://gcc.gnu.org/viewcvs?rev=207002&root=gcc&view=rev
Log:
PR c/59871
c/
* c-typeck.c (build_compound_expr): Warn even for right-hand operand
of a comma expression.
(emit_side_effect_warnings): Likewise.
libdecnumber/
* decNumberLocal.h (UBFROMUS, UBFROMUI): Remove last argument.
testsuite/
* gcc.dg/20020220-2.c: Adjust dg-warning message.
* gcc.dg/pr59871.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr59871.c
Modified:
trunk/gcc/c/ChangeLog
trunk/gcc/c/c-typeck.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/20020220-2.c
trunk/libdecnumber/ChangeLog
trunk/libdecnumber/decNumberLocal.h