1 files changed, 4 insertions, 4 deletions

diff --git a/src/regex.c b/src/regex.c
index 8e38a920cdb..ed848902086 100644
--- a/src/regex.c
+++ b/src/regex.c
@@ -2636,6 +2636,7 @@ regex_compile (const_re_char *pattern, size_t size,
           if ((syntax & RE_BK_PLUS_QM)
               || (syntax & RE_LIMITED_OPS))
             goto normal_char;
+          FALLTHROUGH;
         handle_plus:
         case '*':
           /* If there is no previous pattern...  */
@@ -3086,6 +3087,7 @@ regex_compile (const_re_char *pattern, size_t size,
                                    with non-0. */
                                 if (regnum == 0)
                                   FREE_STACK_RETURN (REG_BADPAT);
+                                FALLTHROUGH;
                               case '1': case '2': case '3': case '4':
                               case '5': case '6': case '7': case '8': case '9':
                                 regnum = 10*regnum + (c - '0'); break;
@@ -3905,8 +3907,7 @@ analyze_first (const_re_char *p, const_re_char *pend, char *fastmap,
                  j < (1 << BYTEWIDTH); j++)
               fastmap[j] = 1;
           }
-
-          /* Fallthrough */
+          FALLTHROUGH;
         case charset:
           if (!fastmap) break;
           not = (re_opcode_t) *(p - 1) == charset_not;
@@ -6182,8 +6183,7 @@ re_match_2_internal (struct re_pattern_buffer *bufp, const_re_char *string1,
             case on_failure_jump_nastyloop:
               assert ((re_opcode_t)pat[-2] == no_op);
               PUSH_FAILURE_POINT (pat - 2, str);
-              /* Fallthrough */
-
+              FALLTHROUGH;
             case on_failure_jump_loop:
             case on_failure_jump:
             case succeed_n: