From fd3cfb11a64452d52b670d028d070966fd6257d6 Mon Sep 17 00:00:00 2001
From: Xu Cheng <xucheng@me.com>
Date: Wed, 28 Oct 2015 20:34:59 +0800
Subject: [PATCH] merge dependencies for expand_requirements

Fixes Homebrew/homebrew#45414

Closes Homebrew/homebrew#45420.

Signed-off-by: Xu Cheng <xucheng@me.com>
---
 Library/Homebrew/formula_installer.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index 18a41e7506..9946d4ad44 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -315,6 +315,9 @@ class FormulaInstaller
       end
     end
 
+    # Merge the repeated dependencies, which may have different tags.
+    deps = Dependency.merge_repeats(deps)
+
     [unsatisfied_reqs, deps]
   end