[PR68083] don't introduce undefined behavior in ifcombine

[thirdparty/gcc.git] / gcc / tree-ssa.h

diff --git a/gcc/tree-ssa.h b/gcc/tree-ssa.h
index 5a409e5f5d5beef82360f03ecd5d45e226bfc929..3b5bd706593e2ca57a9230f88221922c78c62a10 100644 (file)
--- a/gcc/tree-ssa.h
+++ b/gcc/tree-ssa.h
@@ -51,6 +51,7 @@ extern bool tree_ssa_useless_type_conversion (tree);
 extern tree tree_ssa_strip_useless_type_conversions (tree);
 
 extern bool ssa_undefined_value_p (tree, bool = true);
+extern bool gimple_uses_undefined_value_p (gimple *);
 extern void execute_update_addresses_taken (void);
 
 /* Given an edge_var_map V, return the PHI arg definition.  */