<div dir="ltr">Should be fixed now. Sorry for the breakage!</div><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Mar 5, 2014 at 3:15 AM, Dmitri Gribenko <span dir="ltr"><<a href="mailto:gribozavr@gmail.com" target="_blank">gribozavr@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="">On Tue, Mar 4, 2014 at 1:12 PM, Alexey Samsonov <<a href="mailto:samsonov@google.com">samsonov@google.com</a>> wrote:<br>

> Author: samsonov<br>
> Date: Tue Mar  4 07:12:25 2014<br>
> New Revision: 202845<br>
><br>
> URL: <a href="http://llvm.org/viewvc/llvm-project?rev=202845&view=rev" target="_blank">http://llvm.org/viewvc/llvm-project?rev=202845&view=rev</a><br>
> Log:<br>
> [ASan] Speed up stack trace unwinding for stacks of size 2.<br>
<br>
</div>Hi Alexey,<br>
<br>
It looks like this commit breaks a buildbot:<br>
<br>
<a href="http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-debian-fast/builds/13083" target="_blank">http://lab.llvm.org:8011/builders/llvm-clang-lld-x86_64-debian-fast/builds/13083</a><br>
<br>
******************** TEST 'AddressSanitizer32 ::<br>
TestCases/double-free.cc' FAILED ********************<br>
Script:<br>
--<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.obj/./bin/clang<br>
--driver-mode=g++ -fsanitize=address -mno-omit-leaf-frame-pointer<br>
-fno-omit-frame-pointer -fno-optimize-sibling-calls -g -m32 -O0<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.src/projects/compiler-rt/test/asan/TestCases/double-free.cc<br>
-o /home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.obj/projects/compiler-rt/test/asan/32bitConfig/TestCases/Output/double-free.cc.tmp<br>
2>&1<br>
not /home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.obj/projects/compiler-rt/test/asan/32bitConfig/TestCases/Output/double-free.cc.tmp<br>
2>&1 | FileCheck<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.src/projects/compiler-rt/test/asan/TestCases/double-free.cc<br>
--check-prefix=CHECK --check-prefix=MALLOC-CTX<br>
ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=0 not<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.obj/projects/compiler-rt/test/asan/32bitConfig/TestCases/Output/double-free.cc.tmp<br>
2>&1 | FileCheck<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.src/projects/compiler-rt/test/asan/TestCases/double-free.cc<br>
ASAN_OPTIONS=malloc_context_size=0:fast_unwind_on_malloc=1 not<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.obj/projects/compiler-rt/test/asan/32bitConfig/TestCases/Output/double-free.cc.tmp<br>
2>&1 | FileCheck<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.src/projects/compiler-rt/test/asan/TestCases/double-free.cc<br>
--<br>
Exit Code: 1<br>
<br>
Command Output (stderr):<br>
--<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.src/projects/compiler-rt/test/asan/TestCases/double-free.cc:18:12:<br>
error: expected string not found in input<br>
 // CHECK: #1 0x{{.*}} in main {{.*}}double-free.cc:[[@LINE-3]]<br>
           ^<br>
<stdin>:3:37: note: scanning from here<br>
 #0 0x809f401 in __interceptor_free<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:65<br>
                                    ^<br>
<stdin>:3:37: note: with expression "@LINE-3" equal to "15"<br>
 #0 0x809f401 in __interceptor_free<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.src/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:65<br>
                                    ^<br>
<stdin>:11:112: note: possible intended match here<br>
 #8 0x80bc1e8 in main<br>
/home/llvmbb/llvm-build-dir/llvm-clang-lld-x86_64-debian-fast/llvm.src/projects/compiler-rt/test/asan/TestCases/double-free.cc:15<br>
<br>
                                        ^<br>
<br>
--<br>
<br>
********************<br>
<br>
Could you please take a look?<br>
<span class="HOEnZb"><font color="#888888"><br>
Dmitri<br>
<br>
--<br>
main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if<br>
(j){printf("%d\n",i);}}} /*Dmitri Gribenko <<a href="mailto:gribozavr@gmail.com">gribozavr@gmail.com</a>>*/<br>
</font></span></blockquote></div><br><br clear="all"><div><br></div>-- <br><div>Alexey Samsonov, MSK</div>
</div>