dont use getPattern() in hashCode

lopex · lopex · commit f876e0f933ac · 2018-08-01T00:22:37.000+02:00
diff --git a/core/src/main/java/org/jruby/RubyMatchData.java b/core/src/main/java/org/jruby/RubyMatchData.java
@@ -797,7 +797,7 @@ public IRubyObject eql_p(IRubyObject obj) {
     @Override
     public int hashCode() {
         check();
-        return getPattern().hashCode() ^ str.hashCode();
+        return regexp.pattern.hashCode() ^ str.hashCode();
     }
 
     @JRubyMethod

Original file line number	Diff line number	Diff line change
`@@ -797,7 +797,7 @@ public IRubyObject eql_p(IRubyObject obj) {`
`797`	`797`	`@Override`
`798`	`798`	`public int hashCode() {`
`799`	`799`	`check();`
`800`		`- return getPattern().hashCode() ^ str.hashCode();`
	`800`	`+ return regexp.pattern.hashCode() ^ str.hashCode();`
`801`	`801`	`}`
`802`	`802`
`803`	`803`	`@JRubyMethod`