https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100789
Bug ID: 100789 Summary: ICE: in gimplify_expr, at gimplify.c:14750 Product: gcc Version: tree-ssa Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: cnsun at uwaterloo dot ca Target Milestone: --- $ gcc-trunk -v Using built-in specs. COLLECT_GCC=gcc-trunk COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper Target: x86_64-pc-linux-gnu Configured with: /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/configure --enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch --prefix=/scratch/software/gcc-trunk --disable-bootstrap Thread model: posix Supported LTO compression algorithms: zlib gcc version 12.0.0 20210527 (experimental) [master revision :d03f010a0:01c59ef2e5a59b44d2b662361196abb6be872a20] (GCC) $ cat mutant.c bar() { return __transaction_relaxed(0x1234567876543210LL << 32); } $ gcc-trunk mutant.c mutant.c:1:1: warning: return type defaults to ‘int’ [-Wimplicit-int] 1 | bar() { return __transaction_relaxed(0x1234567876543210LL << 32); } | ^~~ mutant.c: In function ‘bar’: mutant.c:1:59: warning: result of ‘1311768466852950544 << 32’ requires 94 bits to represent, but ‘long long int’ only has 64 bits [-Wshift-overflow=] 1 | bar() { return __transaction_relaxed(0x1234567876543210LL << 32); } | ^~ mutant.c:1:16: error: ‘__transaction_relaxed ’ without transactional memory support enabled 1 | bar() { return __transaction_relaxed(0x1234567876543210LL << 32); } | ^~~~~~~~~~~~~~~~~~~~~ mutant.c:1:59: internal compiler error: in gimplify_expr, at gimplify.c:14750 1 | bar() { return __transaction_relaxed(0x1234567876543210LL << 32); } | ~~~~~~~~~~~~~~~~~~~~~^~~~~ 0x6dffc4 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14750 0xc4e997 gimplify_modify_expr /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:5824 0xc3e178 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:13965 0xc41aaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883 0xc422de gimplify_bind_expr /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:1424 0xc3e513 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14166 0xc41aaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883 0xc40c58 gimplify_and_add(tree_node*, gimple**) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:492 0xc40c58 gimplify_and_return_first /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:504 0xc40c58 gimplify_transaction /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:13585 0xc40c58 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14593 0xc3e37f gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14270 0xc4e997 gimplify_modify_expr /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:5824 0xc3e178 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:13965 0xc41aaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883 0xc4d2cd gimplify_and_add(tree_node*, gimple**) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:492 0xc4d2cd gimplify_return_expr /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:1674 0xc3ee1f gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*), int) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:14227 0xc41aaa gimplify_stmt(tree_node**, gimple**) /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:6883 0xc422de gimplify_bind_expr /tmp/tmp.SQC1E9RsGE-gcc-builder/gcc/gcc/gimplify.c:1424 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.