label as lvalue is a GCCism

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61558 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 3 deletions

diff --git a/regexec.c b/regexec.c
index 4582c35c3f..9b6232e30b 100644
--- a/regexec.c
+++ b/regexec.c
@@ -1461,9 +1461,9 @@ match_at(regex_t* reg, const UChar* str, const UChar* end,
 # define CASE(x) L_##x: sbegin = s; OPCODE_EXEC_HOOK;
 # define DEFAULT L_DEFAULT:
 # define NEXT sprev = sbegin; JUMP
-# define JUMP goto *oplabels[*p++]
+# define JUMP RB_GNUC_EXTENSION_BLOCK(goto *oplabels[*p++])
 
-  static const void *oplabels[] = {
+  RB_GNUC_EXTENSION static const void *oplabels[] = {
     &&L_OP_FINISH,               /* matching process terminator (no more alternative) */
     &&L_OP_END,                  /* pattern code terminator (success end) */
 
@@ -4617,4 +4617,3 @@ onig_copy_encoding(OnigEncodingType *to, OnigEncoding from)
 {
   *to = *from;
 }
-