http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55309
--- Comment #58 from Kostya Serebryany <kcc at gcc dot gnu.org> --- FTR, here are the new numbers; except for 464.h264ref looks good. clang r199888, gcc r207025 flags: -O2 -fsanitize=address machine: Dell 3500 (Intel(R) Xeon(R) CPU W3690 @ 3.47GHz) clang gcc diff 400.perlbench, 1286.00, -1.00, -0.00 401.bzip2, 857.00, 940.00, 1.10 403.gcc, 621.00, 606.00, 0.98 429.mcf, 578.00, 574.00, 0.99 445.gobmk, 860.00, 850.00, 0.99 456.hmmer, 880.00, 1149.00, 1.31 458.sjeng, 992.00, 996.00, 1.00 462.libquantum, 492.00, 483.00, 0.98 464.h264ref, 1274.00, 3998.00, 3.14 471.omnetpp, 566.00, 569.00, 1.01 473.astar, 661.00, 647.00, 0.98 483.xalancbmk, 478.00, 491.00, 1.03 433.milc, 620.00, 611.00, 0.99 444.namd, 601.00, 528.00, 0.88 447.dealII, 624.00, 670.00, 1.07 450.soplex, 366.00, 389.00, 1.06 453.povray, 430.00, 374.00, 0.87 470.lbm, 355.00, 452.00, 1.27 482.sphinx3, 926.00, 1108.00, 1.20