[PATCH] D31432: avoid a subshell

[Kostya Serebryany via llvm-commits]

why do we need to avoid a subshell?

On Tue, Mar 28, 2017 at 12:25 PM, Rafael Ávila de Espíndola via Phabricator
via llvm-commits <llvm-commits at lists.llvm.org> wrote:

> rafael created this revision.
> Herald added a subscriber: kubamracek.
>
> ulimit -s will impact the following commands and FileCheck better be able
> to run with a 4MB stack :-)
>
>
> https://reviews.llvm.org/D31432
>
> Files:
>   compiler-rt/test/asan/TestCases/Posix/deep_call_stack.cc
>
>
> Index: compiler-rt/test/asan/TestCases/Posix/deep_call_stack.cc
> ===================================================================
> --- compiler-rt/test/asan/TestCases/Posix/deep_call_stack.cc
> +++ compiler-rt/test/asan/TestCases/Posix/deep_call_stack.cc
> @@ -1,6 +1,7 @@
>  // Check that UAR mode can handle very deep recusrion.
> -// RUN: %clangxx_asan -O2 %s -o %t && \
> -// RUN:   (ulimit -s 4096; %env_asan_opts=detect_stack_use_after_return=1
> %run %t) 2>&1 | FileCheck %s
> +// RUN: %clangxx_asan -O2 %s -o %t
> +// RUN: ulimit -s 4096
> +// RUN: %env_asan_opts=detect_stack_use_after_return=1 %run %t 2>&1 |
> FileCheck %s
>
>  // Also check that use_sigaltstack+verbosity doesn't crash.
>  // RUN: %env_asan_opts=verbosity=1:use_sigaltstack=1:detect_stack_use_after_return=1
> %run %t  | FileCheck %s
>
>
>
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