Re: [boost] Lambda testcase fails when optimization enabled in gcc and llvm

________________________________________ From: Boost [boost-bounces@lists.boost.org] on behalf of navya deepika garakapati via Boost [boost@lists.boost.org]

Sent: 19 July 2019 10:49 To: boost@lists.boost.org Cc: navya deepika garakapati Subject: [boost] Lambda testcase fails when optimization enabled in gcc and llvm

Hi Devs, consider below reduced testcase from boost lamda.

The above testcases is demonstrated with g++ compiler but behavior is same on clang as well. so we thought that this may be boost testcase issue. When we replace , int d= (apply1<int>(_1 ,one) == 1); with int d= (apply1(_1 ,one) == 1);

testcase gives correct result with or without optimization.

Wanted to confirm here,is it valid testcase or we have to modify testcase as per above?

Thanks, Navya

Navya It would be helpful to know what versions of g++ and clang you are using, and also what version of C++. Boost lambda is old code which was written for C++03 so the example may run fine on older C++ compilers. I hope this helps. John