Index: head/devel/flang/Makefile
===================================================================
--- head/devel/flang/Makefile
+++ head/devel/flang/Makefile
@@ -2,8 +2,8 @@
 # $FreeBSD$
 
 PORTNAME=	flang
-DISTVERSION=	5.0-20171019
-PORTREVISION=	2
+DISTVERSION=	5.0-20171225
+PORTREVISION=	0
 CATEGORIES=	devel
 
 MAINTAINER=	jmd@FreeBSD.org
@@ -31,7 +31,7 @@
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	flang-compiler
-GH_TAGNAME=	e68c31f
+GH_TAGNAME=	64189a1
 
 CMAKE_ARGS+=	-DLLVM_CONFIG=${LOCALBASE}/bin/llvm-config50 \
 		-DCMAKE_CXX_COMPILER=${LOCALBASE}flang/bin/clang++ \
Index: head/devel/flang/distinfo
===================================================================
--- head/devel/flang/distinfo
+++ head/devel/flang/distinfo
@@ -1,3 +1,3 @@
-TIMESTAMP = 1508552101
-SHA256 (flang-compiler-flang-5.0-20171019-e68c31f_GH0.tar.gz) = 5797b5ea4f97f80428c3e918ed4579044a42a94550af5d3ab6603020ed3b9499
-SIZE (flang-compiler-flang-5.0-20171019-e68c31f_GH0.tar.gz) = 3926694
+TIMESTAMP = 1514225293
+SHA256 (flang-compiler-flang-5.0-20171225-64189a1_GH0.tar.gz) = 7fbb927fffbb110bb0f5cdc1175537bf10f20fec5e7bd562d624529075e1bcab
+SIZE (flang-compiler-flang-5.0-20171225-64189a1_GH0.tar.gz) = 3940607