From ca1e4b26c19351077db1d8e6ff1cb97f05bca79f Mon Sep 17 00:00:00 2001 From: Aldy Hernandez Date: Mon, 25 Jul 2022 15:58:04 +0200 Subject: [PATCH] [PR middle-end/106432] Gracefully handle unsupported type in range_on_edge A cleaner approach to fix this PR has been suggested by Andrew, which is to just return false on range_on_edge for unsupported range types. Tested on x86-64 Linux. PR middle-end/106432 gcc/ChangeLog: * gimple-range.cc (gimple_ranger::range_on_edge): Return false when the result range type is unsupported. --- gcc/gimple-range.cc | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/gcc/gimple-range.cc b/gcc/gimple-range.cc index 7ac48303e4e..eb347eee45b 100644 --- a/gcc/gimple-range.cc +++ b/gcc/gimple-range.cc @@ -201,7 +201,9 @@ bool gimple_ranger::range_on_edge (vrange &r, edge e, tree name) { Value_Range edge_range (TREE_TYPE (name)); - gcc_checking_assert (r.supports_type_p (TREE_TYPE (name))); + + if (!r.supports_type_p (TREE_TYPE (name))) + return false; // Do not process values along abnormal edges. if (e->flags & EDGE_ABNORMAL) -- 2.47.2