https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91894
--- Comment #1 from Arseny Solokha <asolokha at gmx dot com> --- Or this: % gcc-10.0.0-alpha20190922 -O2 -fno-early-inlining --param ipa-cp-value-list-size=0 -w -c gcc/testsuite/gcc.dg/pr60647-2.c during RTL pass: expand gcc/testsuite/gcc.dg/pr60647-2.c: In function 'baz': gcc/testsuite/gcc.dg/pr60647-2.c:15:3: internal compiler error: tree check: expected tree that contains 'decl common' structure, have 'integer_cst' in tree_could_trap_p, at tree-eh.c:2679 15 | fn1 (winInfo->height); | ^~~~~~~~~~~~~~~~~~~~~ 0x70b96e tree_contains_struct_check_failed(tree_node const*, tree_node_structure_enum, char const*, int, char const*) /var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190922/work/gcc-10-20190922/gcc/tree.c:10097 0x6a160d contains_struct_check(tree_node*, tree_node_structure_enum, char const*, int, char const*) /var/tmp/portage/sys-devel/gcc-10.0.0_alpha20190922/work/gcc-10-20190922/gcc/tree.h:3381 <…>