From: Jakub Jelinek <jakub@gcc.gnu.org>
Date: Tue, 30 May 2017 08:15:55 +0000 (+0200)
Subject: backport: re PR c++/79896 (ICE in gimplify_expr, at gimplify.c:11950 on non-int128... 
X-Git-Tag: releases/gcc-5.5.0~253
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0332e3701009ca08109e8d1740608a2adc50054;p=thirdparty%2Fgcc.git

backport: re PR c++/79896 (ICE in gimplify_expr, at gimplify.c:11950 on non-int128 target)

	Backported from mainline
	2017-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR c++/79896
	* decl.c (finish_enum_value_list): If value is error_mark_node,
	don't copy it and change its type.
	* init.c (constant_value_1): Return error_mark_node if DECL_INITIAL
	of CONST_DECL is error_mark_node.

	* g++.dg/ext/int128-5.C: New test.

From-SVN: r248660
---

diff --git a/gcc/testsuite/g++.dg/ext/int128-5.C b/gcc/testsuite/g++.dg/ext/int128-5.C
new file mode 100644
index 000000000000..c2d9297c2cfb
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ext/int128-5.C
@@ -0,0 +1,10 @@
+// PR c++/79896
+// { dg-do compile { target { ilp32 && { ! int128 } } } }
+// { dg-options "" }
+
+enum E
+{
+  e1 = 0xffffffffffffffffULL,
+  e2,			// { dg-error "overflow in enumeration values" }
+  e3
+} e = e3;