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re PR c++/51196 (FAIL: g++.dg/cpp0x/Wzero-as-null-pointer-constant-1.C)

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2011-11-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/51196
	* typeck.c (cp_build_binary_op, [case EQ_EXPR]): For targets having
	TARGET_PTRMEMFUNC_VBIT_LOCATION == ptrmemfunc_vbit_in_delta, do here
	the -Wzero-as-null-pointer-constant warning for pmf == 0.

From-SVN: r181620
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Paolo Carlini 2011-11-22 15:04:27 +00:00 • committed by Paolo Carlini
parent 56cb44d47d
commit 51e355aaab
2 changed files with 14 additions and 0 deletions
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7
gcc/cp/ChangeLog
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@ -1,3 +1,10 @@
2011-11-22 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/51196
* typeck.c (cp_build_binary_op, [case EQ_EXPR]): For targets having
TARGET_PTRMEMFUNC_VBIT_LOCATION == ptrmemfunc_vbit_in_delta, do here
the -Wzero-as-null-pointer-constant warning for pmf == 0.
2011-11-21 Torvald Riegel <triegel@redhat.com>
* pt.c (tsubst_copy_and_build): Handle TRANSACTION_EXPR.

7
gcc/cp/typeck.c
View file

@ -4056,6 +4056,13 @@ cp_build_binary_op (location_t location,
delta0,
integer_one_node,
complain);
if ((complain & tf_warning)
&& c_inhibit_evaluation_warnings == 0
&& !NULLPTR_TYPE_P (TREE_TYPE (op1)))
warning (OPT_Wzero_as_null_pointer_constant,
"zero as null pointer constant");
e2 = cp_build_binary_op (location,
EQ_EXPR, e2, integer_zero_node,
complain);