diff options
| -rw-r--r-- | gcc/c/c-parser.cc | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/analyzer/named-constants-Wunused-macros.c | 19 |
2 files changed, 20 insertions, 1 deletions
diff --git a/gcc/c/c-parser.cc b/gcc/c/c-parser.cc index f3c7999..1bbb39f 100644 --- a/gcc/c/c-parser.cc +++ b/gcc/c/c-parser.cc @@ -1717,7 +1717,7 @@ private: return NULL_TREE; cpp_reader *old_parse_in = parse_in; - parse_in = cpp_create_reader (CLK_GNUC89, ident_hash, line_table); + parse_in = cpp_create_reader (CLK_GNUC89, NULL, line_table); pretty_printer pp; pp_string (&pp, (const char *) tok.val.str.text); diff --git a/gcc/testsuite/gcc.dg/analyzer/named-constants-Wunused-macros.c b/gcc/testsuite/gcc.dg/analyzer/named-constants-Wunused-macros.c new file mode 100644 index 0000000..0b31cc4 --- /dev/null +++ b/gcc/testsuite/gcc.dg/analyzer/named-constants-Wunused-macros.c @@ -0,0 +1,19 @@ +/* Regression test for interaction of named constants in -fanalyzer with + -Wunused-macros (PR analyzer/107711). */ + +/* { dg-additional-options "-Wunused-macros" } */ + +#include "analyzer-decls.h" + +/* Various constants used by the fd state machine. */ + +#define O_ACCMODE 42 /* { dg-warning "-: macro \"O_ACCMODE\" is not used" } */ +#define O_RDONLY 0x1 /* { dg-warning "-: macro \"O_RDONLY\" is not used" } */ +#define O_WRONLY 010 /* { dg-warning "-: macro \"O_WRONLY\" is not used" } */ + +void test_sm_fd_constants (void) +{ + __analyzer_dump_named_constant ("O_ACCMODE"); /* { dg-warning "named constant 'O_ACCMODE' has value '42'" } */ + __analyzer_dump_named_constant ("O_RDONLY"); /* { dg-warning "named constant 'O_RDONLY' has value '1'" } */ + __analyzer_dump_named_constant ("O_WRONLY"); /* { dg-warning "named constant 'O_WRONLY' has value '8'" } */ +} |