https://bugs.freedesktop.org/show_bug.cgi?id=97887 --- Comment #1 from Christoph Haag --- Created attachment 126706 --> https://bugs.freedesktop.org/attachment.cgi?id=126706&action=edit gdb.txt assertion with full backtrace With full debugging llvm and mesa I get an assertion instead: janusvr: /home/chris/build/llvm-svn/src/llvm/include/llvm/Analysis/LoopInfoImpl.h:247: void llvm::LoopBase::verifyLoop() const [with BlockT = llvm::BasicBlock; LoopT = llvm::Loop]: Assertion `std::any_of(GraphTraits::child_begin(BB), GraphTraits::child_end(BB), [&](BlockT *B){return contains(B);}) && "Loop block has no in-loop successors!"' failed. backtrace full attached -- You are receiving this mail because: You are the assignee for the bug.