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re PR c/62024 (__atomic_always_lock_free is not a constant expression) 

PR c/62024
	* c-parser.c (c_parser_static_assert_declaration_no_semi): Strip no-op
	conversions.

	* g++.dg/cpp0x/pr62024.C: New test.
	* gcc.dg/pr62024.c: New test.

From-SVN: r214871
This commit is contained in:
Marek Polacek 2014-09-03 11:16:29 +00:00 committed by Marek Polacek
parent d40f3c4030
commit 8d95fe25c5
5 changed files with 29 additions and 0 deletions
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6
gcc/c/ChangeLog
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@ -1,3 +1,9 @@
2014-09-03 Marek Polacek <polacek@redhat.com>
PR c/62024
* c-parser.c (c_parser_static_assert_declaration_no_semi): Strip no-op
conversions.
2014-09-02 Jakub Jelinek <jakub@redhat.com>
Balaji V. Iyer <balaji.v.iyer@intel.com>
Igor Zamyatin <igor.zamyatin@intel.com>

2
gcc/c/c-parser.c
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@ -2060,6 +2060,8 @@ c_parser_static_assert_declaration_no_semi (c_parser *parser)
if (TREE_CODE (value) != INTEGER_CST)
{
value = c_fully_fold (value, false, NULL);
/* Strip no-op conversions. */
STRIP_TYPE_NOPS (value);
if (TREE_CODE (value) == INTEGER_CST)
pedwarn (value_loc, OPT_Wpedantic, "expression in static assertion "
"is not an integer constant expression");

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2014-09-03 Marek Polacek <polacek@redhat.com>
PR c/62024
* g++.dg/cpp0x/pr62024.C: New test.
* gcc.dg/pr62024.c: New test.
2014-09-03 Ilya Tocar <ilya.tocar@intel.com>
* gcc.target/i386/adx-addcarryx32-1.c: Test addcarry, subborrow.

7
gcc/testsuite/g++.dg/cpp0x/pr62024.C Normal file
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@ -0,0 +1,7 @@
// PR c/62024
// { dg-do compile { target c++11 } }
// { dg-require-effective-target sync_char_short }
int *p;
static_assert (__atomic_always_lock_free (1, p), "");
static_assert (__atomic_always_lock_free (1, 0), "");

8
gcc/testsuite/gcc.dg/pr62024.c Normal file
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@ -0,0 +1,8 @@
/* PR c/62024 */
/* { dg-do compile } */
/* { dg-options "-std=gnu11 -Wpedantic" } */
/* { dg-require-effective-target sync_char_short } */
int *p;
_Static_assert (__atomic_always_lock_free (1, p), ""); /* { dg-warning "is not an integer constant" } */
_Static_assert (__atomic_always_lock_free (1, 0), ""); /* { dg-warning "is not an integer constant" } */