From 83fc915213b23b798ea1afef55fddc0836207a83 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Fri, 26 May 2017 09:54:10 +0900
Subject: Add new range check macro FIXABLE_FLOAT(); ref #3652

When MRB_INT64, valid value range of mrb_int is bigger than double,
which only has 53 bits significant precision.
---
 src/object.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'src/object.c')

diff --git a/src/object.c b/src/object.c
index d7f3f5a55..a78e9a443 100644
--- a/src/object.c
+++ b/src/object.c
@@ -534,8 +534,11 @@ mrb_convert_to_integer(mrb_state *mrb, mrb_value val, int base)
   switch (mrb_type(val)) {
     case MRB_TT_FLOAT:
       if (base != 0) goto arg_error;
-      if (FIXABLE(mrb_float(val))) {
-        break;
+      else {
+        mrb_float f = mrb_float(val);
+        if (FIXABLE_FLOAT(f)) {
+          break;
+        }
       }
       return mrb_flo_to_fixnum(mrb, val);
 
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