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| author | Jakub Jelinek <jakub@redhat.com> | 2009-01-30 17:17:30 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2009-01-30 17:17:30 +0100 |
| commit | ac9bc18b3732f27fafb2a318e6a0ad8439551d5e (patch) | |
| tree | 62d2dbb7afa1069d4a60746f7316516e7c02f2fe | |
| parent | 1fae3e66dac0f62eafa859d144d56c704536cf7a (diff) | |
| download | gcc-ac9bc18b3732f27fafb2a318e6a0ad8439551d5e.zip gcc-ac9bc18b3732f27fafb2a318e6a0ad8439551d5e.tar.gz gcc-ac9bc18b3732f27fafb2a318e6a0ad8439551d5e.tar.bz2 | |
re PR c++/39028 (C++ front-end rejects "__label__" at the beginning of a block after "for" and "while")
PR c++/39028
* parser.c (cp_parser_already_scoped_statement): Handle __label__
declarations.
* g++.dg/ext/label12.C: New test.
From-SVN: r143797
| -rw-r--r-- | gcc/cp/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/cp/parser.c | 4 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/ext/label12.C | 39 |
4 files changed, 54 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index 7595491..f48474c 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,9 @@ +2009-01-30 Jakub Jelinek <jakub@redhat.com> + + PR c++/39028 + * parser.c (cp_parser_already_scoped_statement): Handle __label__ + declarations. + 2009-01-30 Paolo Carlini <paolo.carlini@oracle.com> PR c++/33465 diff --git a/gcc/cp/parser.c b/gcc/cp/parser.c index 5baf5f5..5be2318 100644 --- a/gcc/cp/parser.c +++ b/gcc/cp/parser.c @@ -7844,6 +7844,10 @@ cp_parser_already_scoped_statement (cp_parser* parser) /* Avoid calling cp_parser_compound_statement, so that we don't create a new scope. Do everything else by hand. */ cp_parser_require (parser, CPP_OPEN_BRACE, "%<{%>"); + /* If the next keyword is `__label__' we have a label declaration. */ + while (cp_lexer_next_token_is_keyword (parser->lexer, RID_LABEL)) + cp_parser_label_declaration (parser); + /* Parse an (optional) statement-seq. */ cp_parser_statement_seq_opt (parser, NULL_TREE); cp_parser_require (parser, CPP_CLOSE_BRACE, "%<}%>"); } diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ff88ca9..c43d9c0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2009-01-30 Jakub Jelinek <jakub@redhat.com> + + PR c++/39028 + * g++.dg/ext/label12.C: New test. + 2009-01-30 Paolo Carlini <paolo.carlini@oracle.com> PR c++/33465 diff --git a/gcc/testsuite/g++.dg/ext/label12.C b/gcc/testsuite/g++.dg/ext/label12.C new file mode 100644 index 0000000..2585318 --- /dev/null +++ b/gcc/testsuite/g++.dg/ext/label12.C @@ -0,0 +1,39 @@ +// PR c++/39028 +// { dg-do compile } +// Origin: Stephan Springl <springl@bfw-online.de> + +void +f () +{ + int i; + for (i = 0; i < 2; i++) + { + __label__ l; + goto l; + l:; + } + while (i++ < 5) + { + __label__ l; + goto l; + l:; + } + do + { + __label__ l; + goto l; + l:; + } + while (i++ < 8); + if (1) + { + __label__ l; + goto l; + l:; + } + { + __label__ l; + goto l; + l:; + } +} |