From bf3a588f64e76d541283285755e640d2e344ad5c Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Tue, 3 Jul 2018 17:33:49 -0500
Subject: [PATCH] llvm_6: enable "dump()" methods even w/assertions off

---
 pkgs/development/compilers/llvm/6/llvm.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/compilers/llvm/6/llvm.nix b/pkgs/development/compilers/llvm/6/llvm.nix
index 86c58eaad4e..6fc448574f4 100644
--- a/pkgs/development/compilers/llvm/6/llvm.nix
+++ b/pkgs/development/compilers/llvm/6/llvm.nix
@@ -80,6 +80,8 @@ in stdenv.mkDerivation (rec {
     "-DLLVM_HOST_TRIPLE=${stdenv.hostPlatform.config}"
     "-DLLVM_DEFAULT_TARGET_TRIPLE=${stdenv.targetPlatform.config}"
     "-DTARGET_TRIPLE=${stdenv.targetPlatform.config}"
+
+    "-DLLVM_ENABLE_DUMP=ON"
   ]
   ++ stdenv.lib.optional enableSharedLibraries
     "-DLLVM_LINK_LLVM_DYLIB=ON"