1 files changed, 3 insertions, 30 deletions
diff --git a/ext/date/zonetab.h b/ext/date/zonetab.h
index 4682c2cdbc..2a2e8910c9 100644
--- a/ext/date/zonetab.h
+++ b/ext/date/zonetab.h
@@ -1,4 +1,4 @@
-/* ANSI-C code produced by gperf version 3.3 */
+/* ANSI-C code produced by gperf version 3.1 */
 /* Command-line: gperf --ignore-case -L ANSI-C -C -c -P -p -j1 -i 1 -g -o -t -N zonetab zonetab.list  */
 /* Computed positions: -k'1-4,9' */
 
@@ -51,7 +51,7 @@ struct zone;
 
 #ifndef GPERF_DOWNCASE
 #define GPERF_DOWNCASE 1
-static const unsigned char gperf_downcase[256] =
+static unsigned char gperf_downcase[256] =
   {
       0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,
      15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,
@@ -144,11 +144,6 @@ hash (register const char *str, register size_t len)
     {
       default:
         hval += asso_values[(unsigned char)str[8]];
-#if (defined __cplusplus && (__cplusplus >= 201703L || (__cplusplus >= 201103L && defined __clang__ && __clang_major__ + (__clang_minor__ >= 9) > 3))) || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 202000L && ((defined __GNUC__ && __GNUC__ >= 10) || (defined __clang__ && __clang_major__ >= 9)))
-      [[fallthrough]];
-#elif (defined __GNUC__ && __GNUC__ >= 7) || (defined __clang__ && __clang_major__ >= 10)
-      __attribute__ ((__fallthrough__));
-#endif
       /*FALLTHROUGH*/
       case 8:
       case 7:
@@ -156,27 +151,12 @@ hash (register const char *str, register size_t len)
       case 5:
       case 4:
         hval += asso_values[(unsigned char)str[3]];
-#if (defined __cplusplus && (__cplusplus >= 201703L || (__cplusplus >= 201103L && defined __clang__ && __clang_major__ + (__clang_minor__ >= 9) > 3))) || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 202000L && ((defined __GNUC__ && __GNUC__ >= 10) || (defined __clang__ && __clang_major__ >= 9)))
-      [[fallthrough]];
-#elif (defined __GNUC__ && __GNUC__ >= 7) || (defined __clang__ && __clang_major__ >= 10)
-      __attribute__ ((__fallthrough__));
-#endif
       /*FALLTHROUGH*/
       case 3:
         hval += asso_values[(unsigned char)str[2]];
-#if (defined __cplusplus && (__cplusplus >= 201703L || (__cplusplus >= 201103L && defined __clang__ && __clang_major__ + (__clang_minor__ >= 9) > 3))) || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 202000L && ((defined __GNUC__ && __GNUC__ >= 10) || (defined __clang__ && __clang_major__ >= 9)))
-      [[fallthrough]];
-#elif (defined __GNUC__ && __GNUC__ >= 7) || (defined __clang__ && __clang_major__ >= 10)
-      __attribute__ ((__fallthrough__));
-#endif
       /*FALLTHROUGH*/
       case 2:
         hval += asso_values[(unsigned char)str[1]+6];
-#if (defined __cplusplus && (__cplusplus >= 201703L || (__cplusplus >= 201103L && defined __clang__ && __clang_major__ + (__clang_minor__ >= 9) > 3))) || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 202000L && ((defined __GNUC__ && __GNUC__ >= 10) || (defined __clang__ && __clang_major__ >= 9)))
-      [[fallthrough]];
-#elif (defined __GNUC__ && __GNUC__ >= 7) || (defined __clang__ && __clang_major__ >= 10)
-      __attribute__ ((__fallthrough__));
-#endif
       /*FALLTHROUGH*/
       case 1:
         hval += asso_values[(unsigned char)str[0]+52];
@@ -827,10 +807,6 @@ static const struct stringpool_t stringpool_contents =
 const struct zone *
 zonetab (register const char *str, register size_t len)
 {
-#if (defined __GNUC__ && __GNUC__ + (__GNUC_MINOR__ >= 6) > 4) || (defined __clang__ && __clang_major__ >= 3)
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
-#endif
   static const struct zone wordlist[] =
     {
       {-1}, {-1},
@@ -1565,9 +1541,6 @@ zonetab (register const char *str, register size_t len)
 #line 141 "zonetab.list"
       {(int)(size_t)&((struct stringpool_t *)0)->stringpool_str619,              -10800}
     };
-#if (defined __GNUC__ && __GNUC__ + (__GNUC_MINOR__ >= 6) > 4) || (defined __clang__ && __clang_major__ >= 3)
-#pragma GCC diagnostic pop
-#endif
 
   if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
     {
@@ -1585,7 +1558,7 @@ zonetab (register const char *str, register size_t len)
             }
         }
     }
-  return (struct zone *) 0;
+  return 0;
 }
 #line 330 "zonetab.list"