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c++: (*(fn))() [PR104618]

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The patch for PR90451 deferred marking to the point of actual use; we missed
this one because of the parens.

	PR c++/104618

gcc/cp/ChangeLog:

	* typeck.cc (cp_build_addr_expr_1): Also
	maybe_undo_parenthesized_ref.

gcc/testsuite/ChangeLog:

	* g++.dg/overload/paren1.C: New test.
This commit is contained in:
Jason Merrill 2022-02-25 15:26:17 -04:00
parent d1574a9b82
commit 0096b0b467
2 changed files with 10 additions and 3 deletions
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6
gcc/cp/typeck.cc
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@ -6884,9 +6884,9 @@ cp_build_addr_expr_1 (tree arg, bool strict_lvalue, tsubst_flags_t complain)
so we can just form an ADDR_EXPR with the correct type. */
if (processing_template_decl || TREE_CODE (arg) != COMPONENT_REF)
{
tree stripped_arg = tree_strip_any_location_wrapper (arg);
if (TREE_CODE (stripped_arg) == FUNCTION_DECL
&& !mark_used (stripped_arg, complain) && !(complain & tf_error))
tree stripped_arg
= tree_strip_any_location_wrapper (maybe_undo_parenthesized_ref (arg));
if (!mark_single_function (stripped_arg, complain))
return error_mark_node;
val = build_address (arg);
if (TREE_CODE (arg) == OFFSET_REF)

7
gcc/testsuite/g++.dg/overload/paren1.C Normal file
View File

@ -0,0 +1,7 @@
// PR c++/104618
extern void gen_addsi3 (void);
void output_stack_adjust ()
{
(*(gen_addsi3)) ();
}