1 files changed, 24 insertions, 0 deletions
diff --git a/src/patchsets/gcc/7.3.0/gentoo/93_all_copy-constructible-fix.patch b/src/patchsets/gcc/7.3.0/gentoo/93_all_copy-constructible-fix.patch
new file mode 100644
index 0000000000..f4ed7b3dff
--- /dev/null
+++ b/src/patchsets/gcc/7.3.0/gentoo/93_all_copy-constructible-fix.patch
@@ -0,0 +1,24 @@
+https://bugs.webkit.org/show_bug.cgi?id=185194
+
+Should fix webkit compilation (dispatch on enable_if)
+
+From 57b9683f0ce55a410c567fcb2dc365a2cc848d6a Mon Sep 17 00:00:00 2001
+From: jason <jason@138bc75d-0d04-0410-961f-82ee72b054a4>
+Date: Mon, 26 Feb 2018 06:09:07 +0000
+Subject: [PATCH] 	PR c++/81589 - error with is_trivially_constructible.
+
+	* method.c (constructible_expr): Set cp_unevaluated.
+
+git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@257981 138bc75d-0d04-0410-961f-82ee72b054a4
+diff --git a/gcc/cp/method.c b/gcc/cp/method.c
+index 59ad43f73fe..a2d4c071efa 100644
+--- a/gcc/cp/method.c
++++ b/gcc/cp/method.c
+@@ -1165,6 +1165,7 @@ constructible_expr (tree to, tree from)
+     {
+       tree ctype = to;
+       vec<tree, va_gc> *args = NULL;
++      cp_unevaluated cp_uneval_guard;
+       if (TREE_CODE (to) != REFERENCE_TYPE)
+ 	to = cp_build_reference_type (to, /*rval*/false);
+       tree ob = build_stub_object (to);