Hi, To reproduce, get http://www.cs.utah.edu/~aek/code/card.cpp and
[~]> clang++ -O1 card.cpp -o card clang-3.6: ../lib/Support/IntervalMap.cpp:138: IdxPair llvm::IntervalMapImpl::distribute(unsigned int, unsigned int, unsigned int, const unsigned int *, unsigned int *, unsigned int, bool): Assertion `Sum == Elements + Grow && "Bad distribution sum"' failed. Stack dump: 0. Program arguments: /havana/dist/llvm/bin/clang-3.6 -cc1 -triple armv7-unknown-linux-gnueabihf -emit-obj -disable-free -main-file-name card.cpp -mrelocation-model static -mdisable-fp-elim -fmath-errno -masm-verbose -mconstructor-aliases -fuse-init-array -target-cpu cortex-a8 -target-abi aapcs-linux -mfloat-abi hard -dwarf-column-info -resource-dir /havana/dist/llvm/bin/../lib/clang/3.6.0 -internal-isystem /usr/lib/gcc/arm-linux-gnueabihf/4.9/../../../../include/c++/4.9 -internal-isystem /usr/lib/gcc/arm-linux-gnueabihf/4.9/../../../../include/c++/4.9/arm-linux-gnueabihf -internal-isystem /usr/lib/gcc/arm-linux-gnueabihf/4.9/../../../../include/c++/4.9/backward -internal-isystem /usr/lib/gcc/arm-linux-gnueabihf/4.9/../../../../include/arm-linux-gnueabihf/c++/4.9 -internal-isystem /usr/local/include -internal-isystem /havana/dist/llvm/bin/../lib/clang/3.6.0/include -internal-externc-isystem /usr/include/arm-linux-gnueabihf -internal-externc-isystem /include -internal-externc-isystem /usr/include -O1 -fdeprecated-macro -fdebug-compilation-dir /home/ismail -ferror-limit 19 -fmessage-length 104 -mstackrealign -fno-signed-char -fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option -fcolor-diagnostics -o /havana/tmp/card-13c953.o -x c++ card.cpp 1. <eof> parser at end of file 2. Code generation 3. Running pass 'Function Pass Manager' on module 'card.cpp'. 4. Running pass 'Greedy Register Allocator' on function '@_Z1T1vS_RfRS_' clang-3.6: error: unable to execute command: Aborted clang-3.6: error: clang frontend command failed due to signal (use -v to see invocation) clang version 3.6.0 (215976) Target: armv7l-unknown-linux-gnueabihf Thread model: posix clang-3.6: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script. clang-3.6: note: diagnostic msg: ******************** PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: clang-3.6: note: diagnostic msg: /havana/tmp/card-e32b8e.cpp clang-3.6: note: diagnostic msg: /havana/tmp/card-e32b8e.sh clang-3.6: note: diagnostic msg: ******************** This is on a native ARMv7 host (BeagleBone Black) and r215896 works fine.
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