re PR preprocessor/32974 (#pragma GCC dependency generates extra token error.)

gcc/testsuite
	PR preprocessor/32974:
	* gcc.dg/cpp/pr32974.c: New file.
libcpp
	PR preprocessor/32974:
	* directives.c (parse_include): Don't check for EOL when
	processing #pragma dependency.

From-SVN: r127614
diff --git a/libcpp/directives.c b/libcpp/directives.c
index 38ca949..7f72162 100644
--- a/libcpp/directives.c
+++ b/libcpp/directives.c
@@ -698,7 +698,11 @@
       return NULL;
     }
 
-  if (buf == NULL || CPP_OPTION (pfile, discard_comments))
+  if (pfile->directive == &dtable[T_PRAGMA])
+    {
+      /* This pragma allows extra tokens after the file name.  */
+    }
+  else if (buf == NULL || CPP_OPTION (pfile, discard_comments))
     check_eol (pfile);
   else
     {