[libcxx] r304591 - Mark two coroutine tests as unsupported under ubsan, again

[Vedant Kumar via cfe-commits]

Hm, sorry, the compiler on the bot could not have picked up r304518, so I jumped the gun here. I'll try again later and report back in PR33271.

vedant

> On Jun 2, 2017, at 1:09 PM, Vedant Kumar via cfe-commits <cfe-commits at lists.llvm.org> wrote:
> 
> Hi Gor,
> 
> This is just a heads-up that I tried re-enabling ubsan for the two tests affected by PR33271, but saw some similar failures. The commit message below has more details about what was tested and what went wrong.
> 
> best,
> vedant
> 
> 
>> On Jun 2, 2017, at 1:06 PM, Vedant Kumar via cfe-commits <cfe-commits at lists.llvm.org> wrote:
>> 
>> Author: vedantk
>> Date: Fri Jun  2 15:06:49 2017
>> New Revision: 304591
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=304591&view=rev
>> Log:
>> Mark two coroutine tests as unsupported under ubsan, again
>> 
>> This reverts commit r304580, making bool_await_suspend.pass.cpp and
>> generator.pass.cpp unsupported on ubsan again. The host compiler is
>> based on r304329, which has the change from PR33271 (r304277). However,
>> this was not enough to address the issue.
>> 
>> Bot Failure:
>> http://lab.llvm.org:8011/builders/libcxx-libcxxabi-x86_64-linux-ubuntu-ubsan/builds/628
>> 
>> Unknown type!
>> UNREACHABLE executed at /home/eric/full-llvm/llvm/lib/IR/ValueTypes.cpp:287!
>> llvm::EVT::getEVT(llvm::Type*, bool) (/usr/local/bin/clang-5.0+0x17e7a07)
>> llvm::TargetLoweringBase::getValueType(llvm::DataLayout const&, llvm::Type*, bool) const (/usr/local/bin/clang-5.0+0x852c4a)
>> llvm::ComputeValueVTs(llvm::TargetLowering const&, llvm::DataLayout const&, llvm::Type*, llvm::SmallVectorImpl<llvm::EVT>&, llvm::SmallVectorImpl<unsigned long>*, unsigned long) (/usr/local/bin/clang-5.0+0x141b6e9)
>> llvm::SelectionDAGBuilder::visitTargetIntrinsic(llvm::CallInst const&, unsigned int) (/usr/local/bin/clang-5.0+0x237b1ca)
>> 
>> clang-5.0: /home/eric/full-llvm/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:1236: virtual void llvm::DwarfDebug::endFunctionImpl(const llvm::MachineFunction *): Assertion `LScopes.getAbstractScopesList().size() == NumAbstractScopes && "ensureAbstractVariableIsCreated inserted abstract scopes"' failed.
>> __assert_fail_base /build/glibc-9tT8Do/glibc-2.23/assert/assert.c:92:0
>> (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82)
>> llvm::DwarfDebug::endFunctionImpl(llvm::MachineFunction const*) (/usr/local/bin/clang-5.0+0x223f86b)
>> llvm::DebugHandlerBase::endFunction(llvm::MachineFunction const*) (/usr/local/bin/clang-5.0+0x227a5a1)
>> llvm::AsmPrinter::EmitFunctionBody() (/usr/local/bin/clang-5.0+0x222522f)
>> 
>> Modified:
>>   libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp
>>   libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp
>> 
>> Modified: libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp
>> URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp?rev=304591&r1=304590&r2=304591&view=diff
>> ==============================================================================
>> --- libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp (original)
>> +++ libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/bool_await_suspend.pass.cpp Fri Jun  2 15:06:49 2017
>> @@ -10,6 +10,9 @@
>> 
>> // UNSUPPORTED: c++98, c++03, c++11
>> 
>> +// See https://bugs.llvm.org/show_bug.cgi?id=33271
>> +// UNSUPPORTED: ubsan
>> +
>> #include <experimental/coroutine>
>> #include <cassert>
>> 
>> 
>> Modified: libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp
>> URL: http://llvm.org/viewvc/llvm-project/libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp?rev=304591&r1=304590&r2=304591&view=diff
>> ==============================================================================
>> --- libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp (original)
>> +++ libcxx/trunk/test/std/experimental/language.support/support.coroutines/end.to.end/generator.pass.cpp Fri Jun  2 15:06:49 2017
>> @@ -10,6 +10,9 @@
>> 
>> // UNSUPPORTED: c++98, c++03, c++11
>> 
>> +// See https://bugs.llvm.org/show_bug.cgi?id=33271
>> +// UNSUPPORTED: ubsan
>> +
>> #include <experimental/coroutine>
>> #include <vector>
>> #include <cassert>
>> 
>> 
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