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-rw-r--r--gcc/cp/parser.cc9
-rw-r--r--gcc/testsuite/g++.dg/parse/pr113929.C7
2 files changed, 15 insertions, 1 deletions
diff --git a/gcc/cp/parser.cc b/gcc/cp/parser.cc
index 9d09144..b2ed2ba 100644
--- a/gcc/cp/parser.cc
+++ b/gcc/cp/parser.cc
@@ -25724,8 +25724,15 @@ cp_parser_parameter_declaration (cp_parser *parser,
for a C-style variadic function. */
token = cp_lexer_peek_token (parser->lexer);
- bool const xobj_param_p
+ bool xobj_param_p
= decl_spec_seq_has_spec_p (&decl_specifiers, ds_this);
+ if (xobj_param_p && template_parm_p)
+ {
+ error_at (decl_specifiers.locations[ds_this],
+ "%<this%> specifier in template parameter declaration");
+ xobj_param_p = false;
+ decl_specifiers.locations[ds_this] = 0;
+ }
if (xobj_param_p
&& ((declarator && declarator->parameter_pack_p)
diff --git a/gcc/testsuite/g++.dg/parse/pr113929.C b/gcc/testsuite/g++.dg/parse/pr113929.C
new file mode 100644
index 0000000..4410f7b
--- /dev/null
+++ b/gcc/testsuite/g++.dg/parse/pr113929.C
@@ -0,0 +1,7 @@
+// PR c++/113929
+// { dg-do compile }
+
+template <this int C> // { dg-error "'this' specifier in template parameter declaration" }
+struct S {};
+template <int N, this int C> // { dg-error "'this' specifier in template parameter declaration" }
+struct T {};