[Obvious] Fix libstdc++/33394 testcase when cross-testing linux

[Jonathan Wakely]

On 25/03/15 15:49 +0000, Alan Lawrence wrote:
>When cross-testing, the -DITERATIONS=1000 flag replaced the -pthread 
>required for linux targets, so the test failed to build. I've pushed 
>the following test fix as r221666:

Ah yes, of course it does! Thanks for the fix.

>Index: libstdc++-v3/testsuite/21_strings/basic_string/pthread33394.cc
>===================================================================
>--- libstdc++-v3/testsuite/21_strings/basic_string/pthread33394.cc 
>(revision 221665)
>+++ libstdc++-v3/testsuite/21_strings/basic_string/pthread33394.cc      
>(working copy)
>@@ -18,7 +18,7 @@
> // { dg-do run { target *-*-freebsd* *-*-dragonfly* *-*-netbsd* 
>*-*-linux* *-*-gnu* *-*-solaris* *-*-cygwin *-*-darwin* } }
> // { dg-options "-pthread" { target *-*-freebsd* *-*-dragonfly* 
>*-*-netbsd* *-*-linux* *-*-gnu* *-*-solaris* } }
>
>-// { dg-options "-DITERATIONS=1000" { target simulator } }
>+// { dg-additional-options "-DITERATIONS=1000" { target simulator } }
> #ifndef ITERATIONS
> #define ITERATIONS 50000
> #endif
>
>Jonathan Wakely wrote:
>>Adding a testcase so the bug can be closed.
>>
>>I believe the segfault was fixed for 3.4.0 by
>>https://gcc.gnu.org/r67912
>>
>>Tested x86_64-linux, committed to trunk.
>