43 lines
1.2 KiB
Diff
43 lines
1.2 KiB
Diff
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2022-01-18 Jakub Jelinek <jakub@redhat.com>
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PR c++/104025
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* parser.cc (cp_parser_id_expression): Save and restore input_location
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around cp_parser_skip_entire_template_parameter_list call for
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-Wmissing-template-keyword.
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* g++.dg/warn/pr104025.C: New test.
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--- gcc/cp/parser.cc.jj 2022-01-17 18:05:04.797307506 +0100
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+++ gcc/cp/parser.cc 2022-01-17 20:27:33.642711859 +0100
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@@ -6254,6 +6254,7 @@ cp_parser_id_expression (cp_parser *pars
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OPT_Wmissing_template_keyword))
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{
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saved_token_sentinel toks (parser->lexer, STS_ROLLBACK);
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+ iloc_sentinel ils (UNKNOWN_LOCATION);
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if (cp_parser_skip_entire_template_parameter_list (parser)
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/* An operator after the > suggests that the > ends a
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template-id; a name or literal suggests that the > is an
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--- gcc/testsuite/g++.dg/warn/pr104025.C.jj 2022-01-17 20:31:17.320591249 +0100
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+++ gcc/testsuite/g++.dg/warn/pr104025.C 2022-01-17 20:31:09.068706373 +0100
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@@ -0,0 +1,20 @@
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+// PR c++/104025
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+// { dg-do compile }
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+// { dg-options "-Wmissing-template-keyword -fcompare-debug" }
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+
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+void bar (int);
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+
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+struct S { int i; };
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+
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+template <class C>
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+struct T
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+{
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+ int m;
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+ C c;
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+ void foo ()
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+ {
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+ bar (c.i < m);
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+ }
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+};
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+
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+template void T<S>::foo ();
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