https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102587
Bug ID: 102587 Summary: ICE in tree_to_uhwi, at tree.h:4668 Product: gcc Version: 12.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: qing.zhao at oracle dot com Target Milestone: --- Host: x86_64-linux-gnu Target: aarch64-linux-gnu The following fails: $ cat sve.c void foo() { __SVFloat64_t f64; } $ aarch64-linux-gnu-gcc sve.c -ftrivial-auto-var-init=zero -c during RTL pass: expand sve.c: In function ‘foo’: sve.c:1:28: internal compiler error: in tree_to_uhwi, at tree.h:4668 1 | void foo() { __SVFloat64_t f64; } | ^~~ 0x69b87a tree_to_uhwi(tree_node const*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/tree.h:4668 0x69b87a expand_DEFERRED_INIT /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/internal-fn.c:3044 0x7f2957 expand_call_stmt /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/cfgexpand.c:2749 0x7f2957 expand_gimple_stmt_1 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/cfgexpand.c:3876 0x7f2957 expand_gimple_stmt /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/cfgexpand.c:4040 0x7f74b2 expand_gimple_basic_block /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/cfgexpand.c:6082 0x7f9306 execute /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-aarch64/build/gcc/cfgexpand.c:6808 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.