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14.2.1-7

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Add missing patch

Resolves: RHEL-74062
This commit is contained in:
Marek Polacek 2025-01-22 13:02:41 -05:00
parent 1ec8a8858d
commit 88f2f199fa
1 changed files with 56 additions and 0 deletions
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gcc14-pr118509.patch Normal file
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@ -0,0 +1,56 @@
2025-01-20 Jakub Jelinek <jakub@redhat.com>
PR c++/118509
* typeck.cc (get_member_function_from_ptrfunc): Wrap force_target_expr
with save_expr.
* g++.dg/expr/pmf-4.C: New test.
--- gcc/cp/typeck.cc.jj 2025-01-09 10:10:28.042651891 +0100
+++ gcc/cp/typeck.cc 2025-01-20 15:09:24.200053590 +0100
@@ -4187,8 +4187,8 @@ get_member_function_from_ptrfunc (tree *
&& !DECL_P (instance_ptr)
&& !TREE_CONSTANT (instance_ptr)))
instance_ptr = instance_save_expr
- = force_target_expr (TREE_TYPE (instance_ptr), instance_ptr,
- complain);
+ = save_expr (force_target_expr (TREE_TYPE (instance_ptr),
+ instance_ptr, complain));
/* See above comment. */
if (TREE_SIDE_EFFECTS (function)
@@ -4196,7 +4196,8 @@ get_member_function_from_ptrfunc (tree *
&& !DECL_P (function)
&& !TREE_CONSTANT (function)))
function
- = force_target_expr (TREE_TYPE (function), function, complain);
+ = save_expr (force_target_expr (TREE_TYPE (function), function,
+ complain));
/* Start by extracting all the information from the PMF itself. */
e3 = pfn_from_ptrmemfunc (function);
--- gcc/testsuite/g++.dg/expr/pmf-4.C.jj
+++ gcc/testsuite/g++.dg/expr/pmf-4.C
@@ -0,0 +1,22 @@
+// PR c++/118509
+// { dg-do run }
+// { dg-options "-Wall -O2" }
+
+struct A { void foo () { a = 1; } int a; A () : a (0) {} };
+struct B : virtual A {};
+typedef void (A::*C) ();
+
+__attribute__((noipa)) void
+foo (C x, B *y)
+{
+ (y->*x) ();
+}
+
+int
+main ()
+{
+ B b;
+ foo (&A::foo, &b);
+ if (b.a != 1)
+ __builtin_abort ();
+}