diff options
Diffstat (limited to 'gcc/cppmacro.c')
| -rw-r--r-- | gcc/cppmacro.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/gcc/cppmacro.c b/gcc/cppmacro.c index 5c64767b656..80c01541cef 100644 --- a/gcc/cppmacro.c +++ b/gcc/cppmacro.c @@ -1321,8 +1321,12 @@ _cpp_create_definition (pfile, node) /* Don't count the CPP_EOF. */ macro->count--; - /* Clear the whitespace flag from the leading token. */ - macro->expansion[0].flags &= ~PREV_WHITE; + /* Clear the whitespace flag from the leading token, but put a space + in front of a leading # which might be used to fake a directive. */ + if (macro->expansion[0].type == CPP_HASH) + macro->expansion[0].flags |= PREV_WHITE; + else + macro->expansion[0].flags &= ~PREV_WHITE; /* Implement the macro-defined-to-itself optimisation. */ macro->disabled = (macro->count == 1 && !macro->fun_like |