Inlining performs a wrong non-call exception fixup for VEC_COND_EXPRs which on the branch fail to properly have the condition split out in the first place.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed to the GCC 10 branch which is the only one this code snippet prevails. PR tree-optimization/107485 * tree-inline.c (remap_gimple_stmt): Use correct type for split out condition of [VEC_]COND_EXPRs. --- gcc/tree-inline.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/gcc/tree-inline.c b/gcc/tree-inline.c index c20c25ceb50..658b09c07d2 100644 --- a/gcc/tree-inline.c +++ b/gcc/tree-inline.c @@ -1979,11 +1979,10 @@ remap_gimple_stmt (gimple *stmt, copy_body_data *id) || gimple_assign_rhs_code (ass) == VEC_COND_EXPR) && gimple_could_trap_p (ass)) { - gassign *cmp - = gimple_build_assign (make_ssa_name (boolean_type_node), - gimple_assign_rhs1 (ass)); + tree def = make_ssa_name (TREE_TYPE (gimple_assign_rhs1 (ass))); + gassign *cmp = gimple_build_assign (def, gimple_assign_rhs1 (ass)); gimple_seq_add_stmt (&stmts, cmp); - gimple_assign_set_rhs1 (ass, gimple_assign_lhs (cmp)); + gimple_assign_set_rhs1 (ass, def); } } -- 2.35.3