From 134904c886195b40e86b6b60af1fa9c1bd77c695 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Fri, 26 Apr 2019 17:07:37 -0700
Subject: [PATCH] Re-enabled constexpr tests

---
 test/format-test.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/test/format-test.cc b/test/format-test.cc
index 866f2ae6..e1547cb1 100644
--- a/test/format-test.cc
+++ b/test/format-test.cc
@@ -2419,7 +2419,7 @@ TEST(FormatTest, FormatStringErrors) {
   EXPECT_ERROR_NOARGS("foo", FMT_NULL);
   EXPECT_ERROR_NOARGS("}", "unmatched '}' in format string");
   EXPECT_ERROR("{0:s", "unknown format specifier", Date);
-#  ifndef _MSC_VER
+#  if FMT_MSC_VER >= 1916
   // This causes an internal compiler error in MSVC2017.
   EXPECT_ERROR("{0:=5", "unknown format specifier", int);
   EXPECT_ERROR("{:{<}", "invalid fill character '{'", int);
@@ -2450,6 +2450,8 @@ TEST(FormatTest, FormatStringErrors) {
   EXPECT_ERROR("{:d}", "invalid type specifier", const char*);
   EXPECT_ERROR("{:d}", "invalid type specifier", std::string);
   EXPECT_ERROR("{:s}", "invalid type specifier", void*);
+#  else
+  fmt::print("warning: constexpr is broken in this versio of MSVC\n");
 #  endif
   EXPECT_ERROR("{foo", "compile-time checks don't support named arguments",
                int);