r236142 - in /trunk/gcc: ChangeLog c-family/Cha...

[miyuki@gcc.gnu.org]

Author: miyuki
Date: Wed May 11 20:23:37 2016
New Revision: 236142

URL: https://gcc.gnu.org/viewcvs?rev=236142&root=gcc&view=rev
Log:
PR43651: add warning for duplicate qualifier

gcc/c/

	PR c/43651
	* c-decl.c (declspecs_add_qual): Warn when -Wduplicate-decl-specifier
	is enabled.
	* c-errors.c (pedwarn_c90): Return true if warned.
	* c-tree.h (pedwarn_c90): Change return type to bool.
	(enum c_declspec_word): Add new enumerator cdw_atomic.

gcc/

	PR c/43651
	* doc/invoke.texi (Wduplicate-decl-specifier): Document new option.

gcc/testsuite/

	PR c/43651
	* gcc.dg/Wduplicate-decl-specifier-c11.c: New test.
	* gcc.dg/Wduplicate-decl-specifier.c: Likewise.

gcc/c-family/

	PR c/43651
	* c.opt (Wduplicate-decl-specifier): New option.

Added:
    trunk/gcc/testsuite/gcc.dg/Wduplicate-decl-specifier-c11.c
    trunk/gcc/testsuite/gcc.dg/Wduplicate-decl-specifier.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c.opt
    trunk/gcc/c/ChangeLog
    trunk/gcc/c/c-decl.c
    trunk/gcc/c/c-errors.c
    trunk/gcc/c/c-tree.h
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog