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Diffstat (limited to 'gcc/cp/cvt.c')
| -rw-r--r-- | gcc/cp/cvt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/cp/cvt.c b/gcc/cp/cvt.c index 3e618d320ad..8570e3d4502 100644 --- a/gcc/cp/cvt.c +++ b/gcc/cp/cvt.c @@ -198,6 +198,11 @@ cp_convert_to_pointer (tree type, tree expr) if (null_ptr_cst_p (expr)) { + if (c_inhibit_evaluation_warnings == 0 + && !NULLPTR_TYPE_P (TREE_TYPE (expr))) + warning (OPT_Wzero_as_null_pointer_constant, + "zero as null pointer constant"); + if (TYPE_PTRMEMFUNC_P (type)) return build_ptrmemfunc (TYPE_PTRMEMFUNC_FN_TYPE (type), expr, 0, /*c_cast_p=*/false, tf_warning_or_error); |