================ @@ -211,6 +211,16 @@ New Compiler Flags only for thread-local variables, and none (which corresponds to the existing ``-fno-c++-static-destructors`` flag) skips all static destructors registration. +- The ``-fextend-lifetimes`` and ``-fextend-this-ptr`` flags have been added to + allow for improved debugging of optimized code. Using ``-fextend-lifetimes`` + will cause Clang to generate code that tries to preserve the lifetimes of + source variables, meaning that variables will typically be visible in a + debugger more often. The ``-fextend-this-ptr`` flag has the same behaviour, + but applies only to the ``this`` variable in C++ class member functions. Note + that this flag modifies the optimizations that Clang performs, which will + result in reduced performance in generated code; however, this feature will + not extend the lifetime of some variables in cases where doing so would have ---------------- dwblaikie wrote:
huh - what cases is this alluding to? https://github.com/llvm/llvm-project/pull/110000 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
