commit c0e77364ca29df6cfb311e79892955c92bd8e595
author Victor Stinner <victor.stinner@gmail.com> Tue Sep 12 16:09:44 2017 -0700
committer GitHub <noreply@github.com> Tue Sep 12 16:09:44 2017 -0700
tree 17f4a3d23ff42877420078441f2534d427fb21c0
parent 5013a5ebc9978a58435036fa3860c465882c21da

[3.6] bpo-30923: Silence fall-through warnings included in -Wextra since gcc-7.0 (#3518)

* bpo-30923: Disable warning that has been part of -Wextra since gcc-7.0. (#3142)

(cherry picked from commit d73a960c575207539c3f9765cff26d4fff400b45)

* bpo-30923: Silence fall-through warnings included in -Wextra since gcc-7.0. (#3157)

(cherry picked from commit f432a3234f9f2ee09bd40be03e06bf72865ee375)

* bpo-31275: Small refactoring to silence a fall-through warning. (#3206)

(cherry picked from commit 138753c1b96b5e06a5c5d409fa4cae5e2fe1108b)

Python/compile.c

diff --git a/Python/compile.c b/Python/compile.c
index 6255ec7..797a184 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -4069,6 +4069,7 @@
         else if (o == Py_False)
             return 0;
     }
+    /* fall through */
     default:
         return -1;
     }
@@ -4361,13 +4362,13 @@
         switch (e->v.Attribute.ctx) {
         case AugLoad:
             ADDOP(c, DUP_TOP);
-            /* Fall through to load */
+            /* Fall through */
         case Load:
             ADDOP_NAME(c, LOAD_ATTR, e->v.Attribute.attr, names);
             break;
         case AugStore:
             ADDOP(c, ROT_TWO);
-            /* Fall through to save */
+            /* Fall through */
         case Store:
             ADDOP_NAME(c, STORE_ATTR, e->v.Attribute.attr, names);
             break;