https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82327
Bug ID: 82327 Summary: [7 Regression] ICE in equal_mem_array_ref_p, at tree-ssa-scopedtables.c:429 (i686-linux-gnu) Product: gcc Version: 7.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: other Assignee: unassigned at gcc dot gnu.org Reporter: doko at gcc dot gnu.org Target Milestone: --- Created attachment 42236 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42236&action=edit preprocessed source seen on the gcc-7-branch, introduced within the last two weeks, on i686-linux-gnu, compiler configured to default to PIE. $ g++ -std=c++11 -c -g -O2 -fPIC -fno-exceptions InstCombineAddSub.ii /home/packages/llvm/llvm-toolchain-3.8-3.8.1/lib/Transforms/InstCombine/InstCombineAddSub.cpp: In function 'llvm::Value* {anonymous}::FAddCombine::simplify(llvm::Instruction*)': /home/packages/llvm/llvm-toolchain-3.8-3.8.1/lib/Transforms/InstCombine/InstCombineAddSub.cpp:518:8: internal compiler error: in equal_mem_array_ref_p, at tree-ssa-scopedtables.c:429 Value *FAddCombine::simplify(Instruction *I) { ^~~~~~~~~~~ Please submit a full bug report, with preprocessed source if appropriate. creduce doesn't make any progress to reduce the test case.