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authorjason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>2018-01-17 17:44:42 +0000
committerjason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>2018-01-17 17:44:42 +0000
commit988a1f54553bc8619df6222d3e44735c94ac5ec7 (patch)
treec397b95b395861f295f9a8ea7e75f325caf8e7d8
parent4a3d199b68c93fac89d002cd120f63a0e548eef7 (diff)
downloadgcc-988a1f54553bc8619df6222d3e44735c94ac5ec7.tar.gz
PR c++/81067 - redundant NULL warning.
* call.c (convert_like_real): Restore null_node handling. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@256803 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/cp/ChangeLog5
-rw-r--r--gcc/cp/call.c6
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index ff09fe32fdb..bdcac476385 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,5 +1,10 @@
2018-01-17 Jason Merrill <jason@redhat.com>
+ PR c++/81067 - redundant NULL warning.
+ * call.c (convert_like_real): Restore null_node handling.
+
+2018-01-17 Jason Merrill <jason@redhat.com>
+
PR c++/81843 - ICE with variadic member template.
PR c++/72801
* pt.c (unify_pack_expansion): Don't try to deduce enclosing
diff --git a/gcc/cp/call.c b/gcc/cp/call.c
index f5542850cea..1f326d5c1ad 100644
--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -6804,6 +6804,12 @@ convert_like_real (conversion *convs, tree expr, tree fn, int argnum,
if (type_unknown_p (expr))
expr = instantiate_type (totype, expr, complain);
+ if (expr == null_node
+ && INTEGRAL_OR_UNSCOPED_ENUMERATION_TYPE_P (totype))
+ /* If __null has been converted to an integer type, we do not want to
+ continue to warn about uses of EXPR as an integer, rather than as a
+ pointer. */
+ expr = build_int_cst (totype, 0);
return expr;
case ck_ambig:
/* We leave bad_p off ck_ambig because overload resolution considers