* numeric.c (fix_lshift): negative shift count means right shift.

* numeric.c (fix_rshift): return -1 when left side operand is
  negative.

* parse.y (yylex): `0_' should be an error. (ruby-bugs-ja:PR#239)


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@2535 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 0 deletions

diff --git a/parse.y b/parse.y
index 02b75b4410..f32dafebf1 100644
--- a/parse.y
+++ b/parse.y
@@ -3491,6 +3491,10 @@ yylex()
 			yylval.val = rb_cstr_to_inum(tok(), 8, Qfalse);
 			return tINTEGER;
 		    }
+		    if (nondigit) {
+			pushback(c);
+			goto trailing_uc;
+		    }
 		}
 		if (c > '7' && c <= '9') {
 		    yyerror("Illegal octal digit");