[GR-17027] Fix invalid pointer-to-long cast in ruby.h.

rschatz · rschatz · commit 46466eee1b11 · 2019-07-11T10:18:55.000Z
PullRequest: truffleruby/939
diff --git a/lib/cext/include/ruby/ruby.h b/lib/cext/include/ruby/ruby.h
@@ -370,7 +370,7 @@ int rb_long2int(long value);
 #define MODET2NUM(v) INT2NUM(v)
 #endif
 
-#define RB_FIX2LONG(x) ((long)(rb_tr_unwrap(x)))
+#define RB_FIX2LONG(x) (polyglot_as_i64(rb_tr_unwrap(x)))
 static inline long
 rb_fix2long(VALUE x)
 {

Original file line number	Diff line number	Diff line change
`@@ -370,7 +370,7 @@ int rb_long2int(long value);`
`370`	`370`	`#define MODET2NUM(v) INT2NUM(v)`
`371`	`371`	`#endif`
`372`	`372`
`373`		`-#define RB_FIX2LONG(x) ((long)(rb_tr_unwrap(x)))`
	`373`	`+#define RB_FIX2LONG(x) (polyglot_as_i64(rb_tr_unwrap(x)))`
`374`	`374`	`static inline long`
`375`	`375`	`rb_fix2long(VALUE x)`
`376`	`376`	`{`