From 3ee0dc79dd2c91b1801a6b89da41543238cfebec Mon Sep 17 00:00:00 2001
From: k-hara <k.hara.pg@gmail.com>
Date: Mon, 26 Jan 2015 21:47:58 +0900
Subject: [PATCH] Remove pure attribute from the unittests which contain
 formatting floating point values

They were added by pull 2890 (ab9e15222a5f17ea7f3255fa0861c70ddcc8b11b), but they were incorrectly accepted by the compiler regression.
---
 std/format.d | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/std/format.d b/std/format.d
index f7bd6735537..209a0d998ff 100644
--- a/std/format.d
+++ b/std/format.d
@@ -1733,7 +1733,7 @@ unittest
     assert(w.data == "1337.7");
 }
 
-@safe pure unittest
+@safe /*pure*/ unittest     // formatting floating point values is now impure
 {
     import std.conv : to;
     foreach (T; TypeTuple!(float, double, real))
@@ -1787,7 +1787,7 @@ if (is(Unqual!T : creal) && !is(T == enum) && !hasToString!(T, Char))
     put(w, 'i');
 }
 
-@safe pure unittest
+@safe /*pure*/ unittest     // formatting floating point values is now impure
 {
     import std.conv : to;
     foreach (T; TypeTuple!(cfloat, cdouble, creal))
@@ -1838,7 +1838,7 @@ if (is(Unqual!T : ireal) && !is(T == enum) && !hasToString!(T, Char))
     put(w, 'i');
 }
 
-@safe pure unittest
+@safe /*pure*/ unittest     // formatting floating point values is now impure
 {
     import std.conv : to;
     foreach (T; TypeTuple!(ifloat, idouble, ireal))
@@ -3560,15 +3560,21 @@ void formatTest(T)(string fmt, T val, string[] expected, size_t ln = __LINE__, s
             text("expected one of `", expected, "`, result = `", w.data, "`"), fn, ln);
 }
 
-pure unittest
+@safe /*pure*/ unittest     // formatting floating point values is now impure
 {
-    import std.algorithm;
     import std.array;
+
     auto stream = appender!string();
     formattedWrite(stream, "%s", 1.1);
     assert(stream.data == "1.1", stream.data);
+}
 
-    stream = appender!string();
+pure unittest
+{
+    import std.algorithm;
+    import std.array;
+
+    auto stream = appender!string();
     formattedWrite(stream, "%s", map!"a*a"([2, 3, 5]));
     assert(stream.data == "[4, 9, 25]", stream.data);