https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96806
Bug ID: 96806 Summary: ICE: in good_cloning_opportunity_p, at ipa-cp.c:3235 with -O -fipa-cp -fipa-cp-clone --param=ipa-cp-max-recursive-depth=94 --param=logical-op-non-short-circuit=0 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: ipa Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: marxin at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Created attachment 49136 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49136&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O -fipa-cp -fipa-cp-clone --param=ipa-cp-max-recursive-depth=94 --param=logical-op-non-short-circuit=0 testcase.C testcase.C: In function 'int w(const p*, const p*, const m*, int)': testcase.C:45:1: warning: control reaches end of non-void function [-Wreturn-type] 45 | } | ^ during IPA pass: cp testcase.C: At global scope: testcase.C:49:1: internal compiler error: in good_cloning_opportunity_p, at ipa-cp.c:3235 49 | } | ^ 0xa68e97 good_cloning_opportunity_p /repo/gcc-trunk/gcc/ipa-cp.c:3235 0x1ce1a8c decide_about_value<tree_node*> /repo/gcc-trunk/gcc/ipa-cp.c:5482 0x1ce3024 decide_whether_version_node /repo/gcc-trunk/gcc/ipa-cp.c:5549 0x1ce3024 ipcp_decision_stage /repo/gcc-trunk/gcc/ipa-cp.c:5731 0x1ce3024 ipcp_driver /repo/gcc-trunk/gcc/ipa-cp.c:5918 0x1ce3024 execute /repo/gcc-trunk/gcc/ipa-cp.c:6009 Please submit a full bug report, with preprocessed source if appropriate. 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/bin/x86_64-pc-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r11-2874-20200826111256-ge3684bcbf88-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/11.0.0/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-r11-2874-20200826111256-ge3684bcbf88-checking-yes-rtl-df-extra-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 11.0.0 20200826 (experimental) (GCC)