[Bug middle-end/86575] -Wimplicit-fallthrough affects code generation

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86575

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2018-07-19
                 CC|                            |jakub at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
-fdump-tree-gimple-lineno
already shows a difference:
@@ -15,7 +15,7 @@ f2 (int a, int b, int c, int d)
     [pr86575.c:7:30] e = e + 1;
     <D.1907>:
     [pr86575.c:7:7] if (e < c) goto <D.1906>; else goto <D.1905>;
-    [pr86575.c:7:7] <D.1905>:
+    <D.1905>:
   }
 }