[PATCH, libphobos] Committed merge with upstream phobos b538f758a.

[PATCH, libphobos] Committed merge with upstream phobos b538f758a.

[Iain Buclaw]

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Hi,

This patch merges the libphobos library with upstream phobos b538f758a.

Fixes endian bugs in std.uni, and corrects unit-tests that failed on
version(BigEndian) targets, with good results on s390-linux-gnu.

Bootstrapped and regression tested on x86_64-linux-gnu.

Committed to trunk as r270491.

-- 
Iain
---

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diff --git a/libphobos/src/MERGE b/libphobos/src/MERGE
index 3935c059403..e4807fbf437 100644
--- a/libphobos/src/MERGE
+++ b/libphobos/src/MERGE
@@ -1,4 +1,4 @@
-428460ddd8087fa28815e613ff04facb51108a7b
+b538f758a4d274b64751f80564b0207845cd018c
 
 The first line of this file holds the git revision number of the last
 merge done from the dlang/phobos repository.
diff --git a/libphobos/src/std/net/curl.d b/libphobos/src/std/net/curl.d
index e3ce527c303..32ba45ce2de 100644
--- a/libphobos/src/std/net/curl.d
+++ b/libphobos/src/std/net/curl.d
@@ -207,9 +207,7 @@ version (unittest)
             }
             catch (Throwable e)
             {
-                import core.stdc.stdlib : exit, EXIT_FAILURE;
-                stderr.writeln(e);
-                exit(EXIT_FAILURE); // Bugzilla 7018
+                stderr.writeln(e);  // Bugzilla 7018
             }
         }
     }
diff --git a/libphobos/src/std/outbuffer.d b/libphobos/src/std/outbuffer.d
index 1d594982cc1..d76ead2ed49 100644
--- a/libphobos/src/std/outbuffer.d
+++ b/libphobos/src/std/outbuffer.d
@@ -408,11 +408,17 @@ class OutBuffer
   {
     OutBuffer buf = new OutBuffer();
     "hello"w.copy(buf);
-    assert(buf.toBytes() == "h\x00e\x00l\x00l\x00o\x00");
+    version (LittleEndian)
+        assert(buf.toBytes() == "h\x00e\x00l\x00l\x00o\x00");
+    version (BigEndian)
+        assert(buf.toBytes() == "\x00h\x00e\x00l\x00l\x00o");
   }
   {
     OutBuffer buf = new OutBuffer();
     "hello"d.copy(buf);
-    assert(buf.toBytes() == "h\x00\x00\x00e\x00\x00\x00l\x00\x00\x00l\x00\x00\x00o\x00\x00\x00");
+    version (LittleEndian)
+        assert(buf.toBytes() == "h\x00\x00\x00e\x00\x00\x00l\x00\x00\x00l\x00\x00\x00o\x00\x00\x00");
+    version (BigEndian)
+        assert(buf.toBytes() == "\x00\x00\x00h\x00\x00\x00e\x00\x00\x00l\x00\x00\x00l\x00\x00\x00o");
   }
 }
diff --git a/libphobos/src/std/uni.d b/libphobos/src/std/uni.d
index 5f24ad16be5..0b3da58286c 100644
--- a/libphobos/src/std/uni.d
+++ b/libphobos/src/std/uni.d
@@ -770,6 +770,8 @@ version (X86)
     enum hasUnalignedReads = true;
 else version (X86_64)
     enum hasUnalignedReads = true;
+else version (SystemZ)
+    enum hasUnalignedReads = true;
 else
     enum hasUnalignedReads = false; // better be safe then sorry
 
@@ -1245,8 +1247,13 @@ pure nothrow:
 
         T opIndex(size_t idx) inout
         {
-            return __ctfe ? simpleIndex(idx) :
-                cast(inout(T))(cast(U*) origin)[idx];
+            T ret;
+            version (LittleEndian)
+                ret = __ctfe ? simpleIndex(idx) :
+                    cast(inout(T))(cast(U*) origin)[idx];
+            else
+                ret = simpleIndex(idx);
+            return ret;
         }
 
         static if (isBitPacked!T) // lack of user-defined implicit conversion
@@ -1259,10 +1266,15 @@ pure nothrow:
 
         void opIndexAssign(TypeOfBitPacked!T val, size_t idx)
         {
-            if (__ctfe)
-                simpleWrite(val, idx);
+            version (LittleEndian)
+            {
+                if (__ctfe)
+                    simpleWrite(val, idx);
+                else
+                    (cast(U*) origin)[idx] = cast(U) val;
+            }
             else
-                (cast(U*) origin)[idx] = cast(U) val;
+                simpleWrite(val, idx);
         }
     }
     else
diff --git a/libphobos/src/std/xml.d b/libphobos/src/std/xml.d
index 770c56fdbfb..13241f53613 100644
--- a/libphobos/src/std/xml.d
+++ b/libphobos/src/std/xml.d
@@ -2201,8 +2201,10 @@ private
         mixin Check!("Chars");
 
         dchar c;
-        int n = -1;
-        foreach (int i,dchar d; s)
+        ptrdiff_t n = -1;
+        // 'i' must not be smaller than size_t because size_t is used internally in
+        // aApply.d and it will be cast e.g to (int *) which fails on BigEndian targets.
+        foreach (size_t i, dchar d; s)
         {
             if (!isChar(d))
             {
@@ -2238,8 +2240,10 @@ private
         mixin Check!("Name");
 
         if (s.length == 0) fail();
-        int n;
-        foreach (int i,dchar c;s)
+        ptrdiff_t n;
+        // 'i' must not be smaller than size_t because size_t is used internally in
+        // aApply.d and it will be cast e.g to (int *) which fails on BigEndian targets.
+        foreach (size_t i, dchar c; s)
         {
             if (c == '_' || c == ':' || isLetter(c)) continue;
             if (i == 0) fail();