https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101374
Bug ID: 101374 Summary: [12 Regression] bootstrap failure varpool.c:490:19: error: array subscript 'varpool_node[0]' is partly outside array bounds of 'varpool_node [0]' [-Werror=array-bounds] Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap Assignee: unassigned at gcc dot gnu.org Reporter: rguenth at gcc dot gnu.org Target Milestone: --- Bootstrap fails for me with /home/rguenther/src/trunk/gcc/varpool.c:490:19: error: array subscript 'varpool_node[0]' is partly outside array bounds of 'varpool_node [0]' [-Werror=array-bounds] 490 | if (!definition && !in_other_partition) | ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ In file included from /home/rguenther/src/trunk/gcc/varpool.c:29: /home/rguenther/src/trunk/gcc/cgraph.h: In member function 'availability varpool_node::_ZN12varpool_node16get_availabilityEP11symtab_node.part.0(symtab_node*)': /home/rguenther/src/trunk/gcc/cgraph.h:1969:39: note: object 'varpool_node::<anonymous>' of size 120 1969 | struct GTY((tag ("SYMTAB_VARIABLE"))) varpool_node : public symtab_node | ^~~~~~~~~~~~ when in stage2. configure --enable-languages=c++,obj-c++ make -j24 STAGE1_CFLAGS="-O2"