From 8dee2e3984c3de34586968c2571750a4b2094b39 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 27 Apr 2020 18:52:43 +0900
Subject: Updating `parse.y for recent `bison` (retry).

---
 .travis.yml                         | 11 +++--------
 mrbgems/mruby-compiler/core/parse.y |  2 +-
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index acf1fc7f6..2d83cbcdf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,14 +6,9 @@ matrix:
   - os: linux
     sudo: false
   - os: osx
-    osx_image: xcode10.3
-    addons:
-      homebrew:
-        update: true
-        packages:
-          - flex
-          - gperf
-          - bison
+    before_install:
+      - brew install bison
+      - export PATH="/usr/local/opt/bison/bin:$PATH"
 
 env:
   - MRUBY_CONFIG=travis_config.rb
diff --git a/mrbgems/mruby-compiler/core/parse.y b/mrbgems/mruby-compiler/core/parse.y
index c5d1e61b1..7ca2e088f 100644
--- a/mrbgems/mruby-compiler/core/parse.y
+++ b/mrbgems/mruby-compiler/core/parse.y
@@ -1330,7 +1330,7 @@ heredoc_end(parser_state *p)
 
 %}
 
-%pure-parser
+%define api.pure
 %parse-param {parser_state *p}
 %lex-param {parser_state *p}
 
-- 
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