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from fba369f315b 2018-11-05 Xuepeng Guo xuepeng.guo@intel.com new 3ff1e878a4d PR sanitizer/87837 * match.pd (X + Y < X): Don't optimize [...] new e580254af75 PR tree-optimization/87859 * gimple-ssa-store-merging.c ( [...]

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Summary of changes: gcc/ChangeLog | 18 ++++ gcc/gimple-ssa-store-merging.c | 131 +++++++++++++++++++++-------- gcc/match.pd | 1 + gcc/testsuite/ChangeLog | 9 ++ gcc/testsuite/c-c++-common/ubsan/pr87837.c | 18 ++++ gcc/testsuite/gcc.dg/store_merging_24.c | 75 +++++++++++++++++ gcc/testsuite/gcc.dg/store_merging_25.c | 75 +++++++++++++++++ 7 files changed, 292 insertions(+), 35 deletions(-) create mode 100644 gcc/testsuite/c-c++-common/ubsan/pr87837.c create mode 100644 gcc/testsuite/gcc.dg/store_merging_24.c create mode 100644 gcc/testsuite/gcc.dg/store_merging_25.c