PR c++/80465 - ICE with generic lambda with noexcept-specifier.

	* lambda.c (maybe_add_lambda_conv_op): Keep processing_template_decl
	set longer for a generic lambda.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@249322 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 5 insertions, 4 deletions

diff --git a/gcc/cp/lambda.c b/gcc/cp/lambda.c
index ee8784cb6ad..41d4921c1db 100644
--- a/gcc/cp/lambda.c
+++ b/gcc/cp/lambda.c
@@ -987,6 +987,8 @@ maybe_add_lambda_conv_op (tree type)
 			    null_pointer_node);
   if (generic_lambda_p)
     {
+      ++processing_template_decl;
+
       /* Prepare the dependent member call for the static member function
 	 '_FUN' and, potentially, prepare another call to be used in a decltype
 	 return expression for a deduced return call op to allow for simple
@@ -1036,9 +1038,7 @@ maybe_add_lambda_conv_op (tree type)
 
 	if (generic_lambda_p)
 	  {
-	    ++processing_template_decl;
 	    tree a = forward_parm (tgt);
-	    --processing_template_decl;
 
 	    CALL_EXPR_ARG (call, ix) = a;
 	    if (decltype_call)
@@ -1062,11 +1062,9 @@ maybe_add_lambda_conv_op (tree type)
     {
       if (decltype_call)
 	{
-	  ++processing_template_decl;
 	  fn_result = finish_decltype_type
 	    (decltype_call, /*id_expression_or_member_access_p=*/false,
 	     tf_warning_or_error);
-	  --processing_template_decl;
 	}
     }
   else
@@ -1084,6 +1082,9 @@ maybe_add_lambda_conv_op (tree type)
       && TYPE_NOTHROW_P (TREE_TYPE (callop)))
     stattype = build_exception_variant (stattype, noexcept_true_spec);
 
+  if (generic_lambda_p)
+    --processing_template_decl;
+
   /* First build up the conversion op.  */
 
   tree rettype = build_pointer_type (stattype);