https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113518
Bug ID: 113518 Summary: ICE: in gimplify_expr, at gimplify.cc:18596 with atomic_fetch_or_explicit() on _BitInt() Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: zsojka at seznam dot cz CC: jakub at gcc dot gnu.org Target Milestone: --- Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 57170 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57170&action=edit reduced testcase (from gcc.target/i386/pr102566-2.c) Compiler output: $ x86_64-pc-linux-gnu-gcc testcase.c In file included from testcase.c:1: testcase.c: In function 'foo': testcase.c:8:34: internal compiler error: in gimplify_expr, at gimplify.cc:18596 8 | atomic_fetch_or_explicit(&v, 1 << 31, memory_order_relaxed); | ^ 0x78cb81 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /repo/gcc-trunk/gcc/gimplify.cc:18596 0x11a66a6 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /repo/gcc-trunk/gcc/gimplify.cc:18085 0x11a62ef gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /repo/gcc-trunk/gcc/gimplify.cc:18568 0x11bcae5 gimplify_modify_expr /repo/gcc-trunk/gcc/gimplify.cc:6405 0x11a6489 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /repo/gcc-trunk/gcc/gimplify.cc:17780 0x11b4b29 gimplify_target_expr /repo/gcc-trunk/gcc/gimplify.cc:7399 0x11a66e0 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /repo/gcc-trunk/gcc/gimplify.cc:18177 0x11a8b76 gimplify_stmt(tree_node**, gimple**) /repo/gcc-trunk/gcc/gimplify.cc:7480 0x11a74e0 gimplify_statement_list /repo/gcc-trunk/gcc/gimplify.cc:2222 0x11a74e0 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /repo/gcc-trunk/gcc/gimplify.cc:18225 0x11b4ced gimplify_target_expr /repo/gcc-trunk/gcc/gimplify.cc:7393 0x11a66e0 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /repo/gcc-trunk/gcc/gimplify.cc:18177 0x11a8b76 gimplify_stmt(tree_node**, gimple**) /repo/gcc-trunk/gcc/gimplify.cc:7480 0x11a9c79 gimplify_bind_expr /repo/gcc-trunk/gcc/gimplify.cc:1614 0x11a71f7 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /repo/gcc-trunk/gcc/gimplify.cc:17981 0x11bde24 gimplify_stmt(tree_node**, gimple**) /repo/gcc-trunk/gcc/gimplify.cc:7480 0x11bde24 gimplify_body(tree_node*, bool) /repo/gcc-trunk/gcc/gimplify.cc:19047 0x11be24a gimplify_function_tree(tree_node*) /repo/gcc-trunk/gcc/gimplify.cc:19246 0xfcd037 cgraph_node::analyze() /repo/gcc-trunk/gcc/cgraphunit.cc:685 0xfcf957 analyze_functions /repo/gcc-trunk/gcc/cgraphunit.cc:1248 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-r14-8284-20240119180625-g54519030b05-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/14.0.1/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 --disable-bootstrap --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-r14-8284-20240119180625-g54519030b05-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240119 (experimental) (GCC)