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c-parser.c (c_parser_postfix_expression): Add pedwarn.

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* c-parser.c (c_parser_postfix_expression) <case RID_FUNCTION_NAME>:
	Add pedwarn.
	(c_parser_postfix_expression) <case RID_PRETTY_FUNCTION_NAME>:
	Likewise.
	(c_parser_postfix_expression) <case RID_C99_FUNCTION_NAME>: Likewise.

	* gcc.dg/concat.c: Add dg-options.
	* gcc.dg/func-outside-2.c: Add __extension__.
	* gcc.dg/pr19967.c: Use -std=c99.
	* gcc.dg/pr22458-1.c: Add dg-options.
	* gcc.dg/pr33676.c: Add dg-options.
	* gcc.dg/gnu-predef-1.c: New test.
	* gcc.dg/c90-func-1.c: New test.
	* gcc.dg/c90-func-2.c: New test.
	* gcc.dg/c90-func-2.h: New test.

From-SVN: r213875
This commit is contained in:
Marek Polacek 2014-08-12 18:53:33 +00:00 committed by Marek Polacek
parent 253e34040c
commit 6dc99c33a6
11 changed files with 68 additions and 4 deletions
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8
gcc/c/ChangeLog
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@ -1,3 +1,11 @@
2014-08-12 Marek Polacek <polacek@redhat.com>
* c-parser.c (c_parser_postfix_expression) <case RID_FUNCTION_NAME>:
Add pedwarn.
(c_parser_postfix_expression) <case RID_PRETTY_FUNCTION_NAME>:
Likewise.
(c_parser_postfix_expression) <case RID_C99_FUNCTION_NAME>: Likewise.
2014-08-10 Marek Polacek <polacek@redhat.com>
PR c/51849

16
gcc/c/c-parser.c
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@ -7136,8 +7136,24 @@ c_parser_postfix_expression (c_parser *parser)
switch (c_parser_peek_token (parser)->keyword)
{
case RID_FUNCTION_NAME:
pedwarn (loc, OPT_Wpedantic, "ISO C does not support "
"%<__FUNCTION__%> predefined identifier");
expr.value = fname_decl (loc,
c_parser_peek_token (parser)->keyword,
c_parser_peek_token (parser)->value);
c_parser_consume_token (parser);
break;
case RID_PRETTY_FUNCTION_NAME:
pedwarn (loc, OPT_Wpedantic, "ISO C does not support "
"%<__PRETTY_FUNCTION__%> predefined identifier");
expr.value = fname_decl (loc,
c_parser_peek_token (parser)->keyword,
c_parser_peek_token (parser)->value);
c_parser_consume_token (parser);
break;
case RID_C99_FUNCTION_NAME:
pedwarn_c90 (loc, OPT_Wpedantic, "ISO C90 does not support "
"%<__func__%> predefined identifier");
expr.value = fname_decl (loc,
c_parser_peek_token (parser)->keyword,
c_parser_peek_token (parser)->value);

12
gcc/testsuite/ChangeLog
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@ -1,3 +1,15 @@
2014-08-12 Marek Polacek <polacek@redhat.com>
* gcc.dg/concat.c: Add dg-options.
* gcc.dg/func-outside-2.c: Add __extension__.
* gcc.dg/pr19967.c: Use -std=c99.
* gcc.dg/pr22458-1.c: Add dg-options.
* gcc.dg/pr33676.c: Add dg-options.
* gcc.dg/gnu-predef-1.c: New test.
* gcc.dg/c90-func-1.c: New test.
* gcc.dg/c90-func-2.c: New test.
* gcc.dg/c90-func-2.h: New test.
2014-08-12 Janis Johnson <janisjo@codesourcery.com>
* lib/target/supports.exp

10
gcc/testsuite/gcc.dg/c90-func-1.c Normal file
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@ -0,0 +1,10 @@
/* Test that we diagnose the __func__ predefined identifier in
C90 pedantic mode. */
/* { dg-do compile } */
/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
void
foo (void)
{
const char *s = __func__; /* { dg-error " ISO C90 does not support .__func__. predefined identifier" } */
}

12
gcc/testsuite/gcc.dg/c90-func-2.c Normal file
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@ -0,0 +1,12 @@
/* Test that we don't pedwarn about __func__ predefined identifier in
a system header in C90 pedantic mode. */
/* { dg-do compile } */
/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */
#include "c90-func-2.h"
void
foo (void)
{
const char *s = FN;
}

2
gcc/testsuite/gcc.dg/c90-func-2.h Normal file
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@ -0,0 +1,2 @@
#pragma GCC system_header
#define FN __func__

1
gcc/testsuite/gcc.dg/concat.c
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@ -1,6 +1,7 @@
/* Copyright (C) 2001 Free Software Foundation, Inc. */
/* { dg-do compile } */
/* { dg-options "" } */
/* Test we output an error for concatenation of artificial strings.

6
gcc/testsuite/gcc.dg/func-outside-2.c
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@ -4,6 +4,6 @@
/* { dg-do compile } */
/* { dg-options "-pedantic-errors" } */
const char *a = __func__; /* { dg-error "'__func__' is not defined outside of function scope" "undef" } */
const char *b = __FUNCTION__;
const char *c = __PRETTY_FUNCTION__;
__extension__ const char *a = __func__; /* { dg-error "'__func__' is not defined outside of function scope" "undef" } */
__extension__ const char *b = __FUNCTION__;
__extension__ const char *c = __PRETTY_FUNCTION__;

2
gcc/testsuite/gcc.dg/pr19967.c
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@ -4,7 +4,7 @@
be const char *. */
/* { dg-do compile } */
/* { dg-options "-pedantic" } */
/* { dg-options "-pedantic -std=c99" } */
char *strchr(const char *, int);
char *strrchr(const char *, int);

2
gcc/testsuite/gcc.dg/pr22458-1.c
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@ -1,4 +1,6 @@
/* { dg-error "expected declaration or statement" "" { target *-*-* } 0 } */
/* { dg-options "" } */
void foo()
{
__PRETTY_FUNCTION__;

1
gcc/testsuite/gcc.dg/pr33676.c
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@ -1,4 +1,5 @@
/* { dg-do run } */
/* { dg-options "" } */
/* { dg-options "-O0 -mtune=i386 -fomit-frame-pointer" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
__attribute__((noreturn,noinline)) void abrt (const char *fi, const char *fu)