* cppmacro.c: Don't warn about function-like macros without

	'(' during pre-expandion.
testsuite:
	* gcc.dg/cpp/tr-warn2.c: Update.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@57366 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 7 insertions, 0 deletions

diff --git a/gcc/cppmacro.c b/gcc/cppmacro.c
index ead48f6429c..961109ad100 100644
--- a/gcc/cppmacro.c
+++ b/gcc/cppmacro.c
@@ -1032,10 +1032,15 @@ expand_arg (pfile, arg)
      macro_arg *arg;
 {
   unsigned int capacity;
+  bool saved_warn_trad;
 
   if (arg->count == 0)
     return;
 
+  /* Don't warn about funlike macros when pre-expanding.  */
+  saved_warn_trad = CPP_WTRADITIONAL (pfile);
+  CPP_WTRADITIONAL (pfile) = 0;
+
   /* Loop, reading in the arguments.  */
   capacity = 256;
   arg->expanded = (const cpp_token **)
@@ -1062,6 +1067,8 @@ expand_arg (pfile, arg)
     }
 
   _cpp_pop_context (pfile);
+
+  CPP_WTRADITIONAL (pfile) = saved_warn_trad;
 }
 
 /* Pop the current context off the stack, re-enabling the macro if the