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| author | Jakub Jelinek <jakub@redhat.com> | 2019-10-31 18:38:44 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2019-10-31 18:38:44 +0100 |
| commit | aa23e73b1a090659344ff88361135bd947064e30 (patch) | |
| tree | ab29c66793009b48773fdd1844beac65d7c2a2a1 /libcpp/internal.h | |
| parent | 0092b21f24a6778a54caac4015db1d0ad6291a45 (diff) | |
| download | gcc-aa23e73b1a090659344ff88361135bd947064e30.zip gcc-aa23e73b1a090659344ff88361135bd947064e30.tar.gz gcc-aa23e73b1a090659344ff88361135bd947064e30.tar.bz2 | |
re PR preprocessor/92296 (internal compiler error: Segmentation fault #pragma push_macro("__LINE__"))
PR preprocessor/92296
* internal.h (struct def_pragma_macro): Add is_builtin bitfield.
(_cpp_restore_special_builtin): Declare.
* init.c (_cpp_restore_special_builtin): New function.
* directives.c (do_pragma_push_macro): For NT_BUILTIN_MACRO
set is_builtin and don't try to grab definition.
(cpp_pop_definition): Use _cpp_restore_special_builtin to restore
builtin macros.
* c-c++-common/cpp/pr92296-1.c: New test.
* c-c++-common/cpp/pr92296-2.c: New test.
From-SVN: r277685
Diffstat (limited to 'libcpp/internal.h')
| -rw-r--r-- | libcpp/internal.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libcpp/internal.h b/libcpp/internal.h index cd1a523..e759bec 100644 --- a/libcpp/internal.h +++ b/libcpp/internal.h @@ -391,6 +391,8 @@ struct def_pragma_macro { /* Mark if we save an undefined macro. */ unsigned int is_undef : 1; + /* Nonzero if it was a builtin macro. */ + unsigned int is_builtin : 1; }; /* A cpp_reader encapsulates the "state" of a pre-processor run. @@ -722,6 +724,8 @@ extern void *_cpp_commit_buff (cpp_reader *pfile, size_t size); /* In init.c. */ extern void _cpp_maybe_push_include_file (cpp_reader *); extern const char *cpp_named_operator2name (enum cpp_ttype type); +extern void _cpp_restore_special_builtin (cpp_reader *pfile, + struct def_pragma_macro *); /* In directives.c */ extern int _cpp_test_assertion (cpp_reader *, unsigned int *); |