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authorPatrick Palka <ppalka@redhat.com>2023-10-22 16:13:33 -0400
committerPatrick Palka <ppalka@redhat.com>2023-10-22 16:13:33 -0400
commit80ddcb9c8f9b5a387f379e1db39bc6f3680bd52f (patch)
tree7c34340c533d1f96b970922860ab3bb33666b464
parent47b634a308c59f728783513123e7a9576fdc82aa (diff)
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objc++: type/expr tsubst conflation [PR111920]
After r14-4796-g3e3d73ed5e85e7, tsubst_copy_and_build (now named tsubst_expr) no longer dispatches to tsubst for type trees, and callers have to do it themselves if appropriate. This patch makes some overlooked adjustments to Objective-C++-specific code paths. PR objc++/111920 gcc/cp/ChangeLog: * pt.cc (tsubst_expr) <case AT_ENCODE_EXPR>: Use tsubst instead of tsubst_expr. gcc/objcp/ChangeLog: * objcp-lang.cc (objcp_tsubst_expr) <case CLASS_REFERENCE_EXPR>: Use tsubst instead of tsubst_expr for type operands.
-rw-r--r--gcc/cp/pt.cc2
-rw-r--r--gcc/objcp/objcp-lang.cc10
2 files changed, 9 insertions, 3 deletions
diff --git a/gcc/cp/pt.cc b/gcc/cp/pt.cc
index 210c6cb..1c1c931 100644
--- a/gcc/cp/pt.cc
+++ b/gcc/cp/pt.cc
@@ -20261,7 +20261,7 @@ tsubst_expr (tree t, tree args, tsubst_flags_t complain, tree in_decl)
op1 = TREE_OPERAND (t, 0);
++cp_unevaluated_operand;
++c_inhibit_evaluation_warnings;
- op1 = tsubst_expr (op1, args, complain, in_decl);
+ op1 = tsubst (op1, args, complain, in_decl);
--cp_unevaluated_operand;
--c_inhibit_evaluation_warnings;
RETURN (objc_build_encode_expr (op1));
diff --git a/gcc/objcp/objcp-lang.cc b/gcc/objcp/objcp-lang.cc
index 5b04cd6..ee39aec 100644
--- a/gcc/objcp/objcp-lang.cc
+++ b/gcc/objcp/objcp-lang.cc
@@ -66,8 +66,14 @@ objcp_tsubst_expr (tree t, tree args, tsubst_flags_t complain, tree in_decl)
RECURSE (TREE_OPERAND (t, 2)), NULL);
case CLASS_REFERENCE_EXPR:
- return objc_get_class_reference
- (RECURSE (TREE_OPERAND (t, 0)));
+ {
+ tree ident = TREE_OPERAND (t, 0);
+ if (TYPE_P (ident))
+ ident = tsubst (ident, args, complain, in_decl);
+ else
+ ident = RECURSE (ident);
+ return objc_get_class_reference (ident);
+ }
default:
break;