This is still a fairly odd test. Clang wants to run gcc for assembling. At
least with -### it only prints that instead of actually trying to run it with
-ccc-echo.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@186945
91177308-0d34-0410-b5e6-
96231b3b80d8
-// RUN: %clang -target x86_64-unknown-nacl -ccc-echo %s -emit-llvm-only -c -o %t.o 2>&1 | FileCheck %s -check-prefix=ECHO
+// RUN: %clang -target x86_64-unknown-nacl -### %s -emit-llvm-only -c -o %t.o 2>&1 | FileCheck %s -check-prefix=ECHO
// RUN: %clang -target x86_64-unknown-nacl %s -emit-llvm -S -c -o - | FileCheck %s
// RUN: %clang -target x86_64-unknown-nacl %s -emit-llvm -S -c -pthread -o - | FileCheck %s -check-prefix=THREADS