[commit: ghc] master: testsuite: Fix hashbangs (5030109)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/50301093515c97e9c9e7249367ec9c32b52d34b5/ghc

>---------------------------------------------------------------

commit 50301093515c97e9c9e7249367ec9c32b52d34b5
Author: Ben Gamari <ben at smart-cactus.org>
Date:   Wed May 30 15:19:30 2018 -0400

    testsuite: Fix hashbangs


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50301093515c97e9c9e7249367ec9c32b52d34b5
 testsuite/tests/perf/compiler/genMultiLayerModules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/testsuite/tests/perf/compiler/genMultiLayerModules b/testsuite/tests/perf/compiler/genMultiLayerModules
index b98c481..8220c08 100755
--- a/testsuite/tests/perf/compiler/genMultiLayerModules
+++ b/testsuite/tests/perf/compiler/genMultiLayerModules
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Generate $DEPTH layers of modules with $WIDTH modules on each layer
 # Every module on layer N imports all the modules on layer N-1
 # MultiLayerModules.hs imports all the modules from the last layer