The following fixes an ICE with the recent relaxing of type
constraints for inlining.
Bootstrapped and tested on x86_64-unknown-linux-gnu, applied.
Richard.
2019-11-08 Richard Biener <rguent...@suse.de>
PR ipa/92409
* tree-inline.c (declare_return_variable): Properly handle
type mismatches for the return slot.
Index: gcc/tree-inline.c
===================================================================
--- gcc/tree-inline.c (revision 277955)
+++ gcc/tree-inline.c (working copy)
@@ -3593,7 +3593,9 @@ declare_return_variable (copy_body_data
vs. the call expression. */
if (modify_dest)
caller_type = TREE_TYPE (modify_dest);
- else
+ else if (return_slot)
+ caller_type = TREE_TYPE (return_slot);
+ else /* No LHS on the call. */
caller_type = TREE_TYPE (TREE_TYPE (callee));
/* We don't need to do anything for functions that don't return anything. */
@@ -3634,6 +3636,10 @@ declare_return_variable (copy_body_data
&& !DECL_GIMPLE_REG_P (result)
&& DECL_P (var))
DECL_GIMPLE_REG_P (var) = 0;
+
+ if (!useless_type_conversion_p (callee_type, caller_type))
+ var = build1 (VIEW_CONVERT_EXPR, callee_type, var);
+
use = NULL;
goto done;
}
