https://git.ruby-lang.org/ruby.git/commit/?id=f40458e9dd

From f40458e9dda3298df12f5b602f02afd4dfae334b Mon Sep 17 00:00:00 2001
From: Takashi Kokubun <takashikkbn@g...>
Date: Sun, 28 Apr 2019 14:10:08 +0900
Subject: Specify VM_CHECK_MODE explicitly

In my understanding, `VM_CHECK_MODE` should be Integer and I'm not sure
how `-DVM_CHECK_MODE` would behave. To make the matters simple, let me
pass the mode explicitly.

diff --git a/.travis.yml b/.travis.yml
index 0a683e9..52f3d8e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -143,7 +143,7 @@ env: https://github.com/ruby/ruby/blob/trunk/.travis.yml#L143
     <<: *make-test-only
     env:
       - GEMS_FOR_TEST=
-      - cppflags='-DRUBY_DEBUG -DVM_CHECK_MODE -DTRANSIENT_HEAP_CHECK_MODE -DRGENGC_CHECK_MODE -DENC_DEBUG'
+      - cppflags='-DRUBY_DEBUG -DVM_CHECK_MODE=1 -DTRANSIENT_HEAP_CHECK_MODE -DRGENGC_CHECK_MODE -DENC_DEBUG'
 
   - &VM_CHECK_MODE
     name: VM_CHECK_MODE=3
-- 
cgit v0.10.2


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