Hsiangkai Wang
authored
Build failed in http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-autoconf/builds/27258 In lib/CodeGen/LiveDebugVariables.cpp:589, it uses std::prev(MBBI) to get DebugValue's SlotIndex. however, the previous instruction may be also a debug instruction. llvm-svn: 338992