diff options
Diffstat (limited to 'gcc/cppinit.c')
| -rw-r--r-- | gcc/cppinit.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/cppinit.c b/gcc/cppinit.c index 980cdb1..fc15db4 100644 --- a/gcc/cppinit.c +++ b/gcc/cppinit.c @@ -1716,6 +1716,11 @@ cpp_post_options (pfile) if (CPP_OPTION (pfile, user_label_prefix) == NULL) CPP_OPTION (pfile, user_label_prefix) = USER_LABEL_PREFIX; + /* Permanently disable macro expansion if we are rescanning + preprocessed text. */ + if (CPP_OPTION (pfile, preprocessed)) + pfile->state.prevent_expansion = 1; + /* We need to do this after option processing and before cpp_start_read, as cppmain.c relies on the options->no_output to set its callbacks correctly before calling cpp_start_read. */ |