https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105235
Bug ID: 105235 Summary: [12 Regression] ICE: in redirect_eh_edge_1, at tree-eh.cc:2323 with custom flags Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: sanitizer Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org, jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 52788 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52788&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -fno-tree-dominator-opts -fnon-call-exceptions -fsanitize=thread -fno-tree-fre testcase.c during GIMPLE pass: sink testcase.c: In function 'foo': testcase.c:2:1: internal compiler error: in redirect_eh_edge_1, at tree-eh.cc:2323 2 | foo (double d) | ^~~ 0x79d4e2 redirect_eh_edge_1 /repo/gcc-trunk/gcc/tree-eh.cc:2323 0x13f6822 redirect_eh_edge(edge_def*, basic_block_def*) /repo/gcc-trunk/gcc/tree-eh.cc:2388 0xe7c329 redirect_edge_and_branch(edge_def*, basic_block_def*) /repo/gcc-trunk/gcc/cfghooks.cc:388 0x13c8105 gimple_split_edge /repo/gcc-trunk/gcc/tree-cfg.cc:2983 0xe7c9a3 split_edge(edge_def*) /repo/gcc-trunk/gcc/cfghooks.cc:668 0x13db657 split_critical_edges(bool) /repo/gcc-trunk/gcc/tree-cfg.cc:9172 0x158a5af split_edges_for_insertion() /repo/gcc-trunk/gcc/tree-cfg.h:130 0x158a5af execute /repo/gcc-trunk/gcc/tree-ssa-sink.cc:846 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. $ x86_64-pc-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r12-8090-20220411190659-g1774ab84863-checking-yes-rtl-df-extra-pr105211-pr105214-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/12.0.1/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++ --enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra --with-cloog --with-ppl --with-isl --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld --with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r12-8090-20220411190659-g1774ab84863-checking-yes-rtl-df-extra-pr105211-pr105214-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 12.0.1 20220411 (experimental) (GCC)