remove SIGN_EXTEND_CHAR macro

* marshal.c (r_long): cast to `signed char`, which is used
  already, instead of SIGN_EXTEND_CHAR.
* parse.y: SIGN_EXTEND_CHAR is no longer used.  [Fix GH-1302]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54234 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 0 insertions, 12 deletions

diff --git a/parse.y b/parse.y
index cb2ae70f31..3f2a4d2c30 100644
--- a/parse.y
+++ b/parse.y
@@ -5327,18 +5327,6 @@ ripper_dispatch_delayed_token(struct parser_params *parser, int t)
 #include "ruby/regex.h"
 #include "ruby/util.h"
 
-/* We remove any previous definition of `SIGN_EXTEND_CHAR',
-   since ours (we hope) works properly with all combinations of
-   machines, compilers, `char' and `unsigned char' argument types.
-   (Per Bothner suggested the basic approach.)  */
-#undef SIGN_EXTEND_CHAR
-#if __STDC__
-# define SIGN_EXTEND_CHAR(c) ((signed char)(c))
-#else  /* not __STDC__ */
-/* As in Harbison and Steele.  */
-# define SIGN_EXTEND_CHAR(c) ((((unsigned char)(c)) ^ 128) - 128)
-#endif
-
 #define parser_encoding_name()  (current_enc->name)
 #define parser_mbclen()  mbclen((lex_p-1),lex_pend,current_enc)
 #define parser_precise_mbclen()  rb_enc_precise_mbclen((lex_p-1),lex_pend,current_enc)