diff --git a/compiler-rt/lib/asan/scripts/asan_device_setup b/compiler-rt/lib/asan/scripts/asan_device_setup
--- a/compiler-rt/lib/asan/scripts/asan_device_setup
+++ b/compiler-rt/lib/asan/scripts/asan_device_setup
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #===- lib/asan/scripts/asan_device_setup -----------------------------------===#
 #
 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
diff --git a/compiler-rt/lib/gwp_asan/scripts/symbolize.sh b/compiler-rt/lib/gwp_asan/scripts/symbolize.sh
--- a/compiler-rt/lib/gwp_asan/scripts/symbolize.sh
+++ b/compiler-rt/lib/gwp_asan/scripts/symbolize.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # The lines that we're looking to symbolize look like this:
   #0 ./a.out(_foo+0x3e6) [0x55a52e64c696]
diff --git a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/ar_to_bc.sh b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/ar_to_bc.sh
--- a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/ar_to_bc.sh
+++ b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/ar_to_bc.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 function usage() {
   echo "Usage: $0 INPUT... OUTPUT"
diff --git a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh
--- a/compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh
+++ b/compiler-rt/lib/sanitizer_common/symbolizer/scripts/build_symbolizer.sh
@@ -1,4 +1,4 @@
-#!/bin/bash -eu
+#!/usr/bin/env bash
 #
 # Run as: CLANG=bin/clang ZLIB_SRC=src/zlib \
 #             build_symbolizer.sh runtime_build/lib/clang/4.0.0/lib/linux/
diff --git a/compiler-rt/lib/tsan/analyze_libtsan.sh b/compiler-rt/lib/tsan/analyze_libtsan.sh
--- a/compiler-rt/lib/tsan/analyze_libtsan.sh
+++ b/compiler-rt/lib/tsan/analyze_libtsan.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Script that prints information about generated code in TSan runtime.
 
diff --git a/compiler-rt/lib/tsan/check_analyze.sh b/compiler-rt/lib/tsan/check_analyze.sh
--- a/compiler-rt/lib/tsan/check_analyze.sh
+++ b/compiler-rt/lib/tsan/check_analyze.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Script that checks that critical functions in TSan runtime have correct number
 # of push/pop/rsp instructions to verify that runtime is efficient enough.
diff --git a/compiler-rt/lib/tsan/check_cmake.sh b/compiler-rt/lib/tsan/check_cmake.sh
--- a/compiler-rt/lib/tsan/check_cmake.sh
+++ b/compiler-rt/lib/tsan/check_cmake.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -u
 set -e