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* [gcc r13-2696] c++: member fn in omp loc list [PR106858]
@ 2022-09-16 12:44 Jason Merrill
0 siblings, 0 replies; only message in thread
From: Jason Merrill @ 2022-09-16 12:44 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:39dc66558e066e67fd40f21f53cee80989ae742d
commit r13-2696-g39dc66558e066e67fd40f21f53cee80989ae742d
Author: Jason Merrill <jason@redhat.com>
Date: Thu Sep 15 22:55:50 2022 +0200
c++: member fn in omp loc list [PR106858]
this-f names a member function, which isn't an addressable lvalue. Give a
helpful error instead of crashing. The first hunk makes the error range
cover the whole expression.
PR c++/106858
gcc/cp/ChangeLog:
* parser.cc (cp_parser_omp_var_list_no_open): Pass the
initial token location down.
* semantics.cc (finish_omp_clauses): Check
invalid_nonstatic_memfn_p.
* typeck.cc (invalid_nonstatic_memfn_p): Handle null TREE_TYPE.
gcc/testsuite/ChangeLog:
* g++.dg/gomp/map-3.C: New test.
Diff:
---
gcc/cp/parser.cc | 7 +++----
gcc/cp/semantics.cc | 4 ++++
gcc/cp/typeck.cc | 3 ++-
gcc/testsuite/g++.dg/gomp/map-3.C | 9 +++++++++
4 files changed, 18 insertions(+), 5 deletions(-)
diff --git a/gcc/cp/parser.cc b/gcc/cp/parser.cc
index 841ba6ed997..3cbe0d69de1 100644
--- a/gcc/cp/parser.cc
+++ b/gcc/cp/parser.cc
@@ -36938,10 +36938,9 @@ cp_parser_omp_var_list_no_open (cp_parser *parser, enum omp_clause_code kind,
cp_id_kind idk = CP_ID_KIND_NONE;
cp_lexer_consume_token (parser->lexer);
decl = convert_from_reference (decl);
- decl
- = cp_parser_postfix_dot_deref_expression (parser, ttype,
- decl, false,
- &idk, loc);
+ decl = (cp_parser_postfix_dot_deref_expression
+ (parser, ttype, cp_expr (decl, token->location),
+ false, &idk, loc));
}
/* FALLTHROUGH. */
case OMP_CLAUSE_AFFINITY:
diff --git a/gcc/cp/semantics.cc b/gcc/cp/semantics.cc
index 427b1ab5ebc..86562071612 100644
--- a/gcc/cp/semantics.cc
+++ b/gcc/cp/semantics.cc
@@ -8119,6 +8119,10 @@ finish_omp_clauses (tree clauses, enum c_omp_region_type ort)
t = TREE_OPERAND (t, 1);
STRIP_NOPS (t);
}
+ if (TREE_CODE (t) == COMPONENT_REF
+ && invalid_nonstatic_memfn_p (EXPR_LOCATION (t), t,
+ tf_warning_or_error))
+ remove = true;
indir_component_ref_p = false;
if (TREE_CODE (t) == COMPONENT_REF
&& (TREE_CODE (TREE_OPERAND (t, 0)) == INDIRECT_REF
diff --git a/gcc/cp/typeck.cc b/gcc/cp/typeck.cc
index 3e461d5cdcb..22d834d3a58 100644
--- a/gcc/cp/typeck.cc
+++ b/gcc/cp/typeck.cc
@@ -2196,7 +2196,8 @@ invalid_nonstatic_memfn_p (location_t loc, tree expr, tsubst_flags_t complain)
return false;
if (is_overloaded_fn (expr) && !really_overloaded_fn (expr))
expr = get_first_fn (expr);
- if (DECL_NONSTATIC_MEMBER_FUNCTION_P (expr))
+ if (TREE_TYPE (expr)
+ && DECL_NONSTATIC_MEMBER_FUNCTION_P (expr))
{
if (complain & tf_error)
{
diff --git a/gcc/testsuite/g++.dg/gomp/map-3.C b/gcc/testsuite/g++.dg/gomp/map-3.C
new file mode 100644
index 00000000000..c45f8509521
--- /dev/null
+++ b/gcc/testsuite/g++.dg/gomp/map-3.C
@@ -0,0 +1,9 @@
+// PR c++/106858
+// { dg-additional-options "-fopenmp -fsanitize=undefined" }
+
+class A {
+ void f() {
+ #pragma omp target map(this->f) // { dg-error "member function" }
+ ;
+ }
+};
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