Darwin: update default iOS version to 5.0

Defaulting to iOS 3.0 when LLVM has to guess the version is no longer a useful
option and can give surprising results (like tail calls being disabled).

5.0 seems like a reasonable compromise as a platform that's still interesting
to some people.

rdar://problem/15567348

llvm-svn: 196912
diff --git a/llvm/unittests/ADT/TripleTest.cpp b/llvm/unittests/ADT/TripleTest.cpp
index b402896..a32a231 100644
--- a/llvm/unittests/ADT/TripleTest.cpp
+++ b/llvm/unittests/ADT/TripleTest.cpp
@@ -417,7 +417,7 @@
   EXPECT_EQ((unsigned)5, Minor);
   EXPECT_EQ((unsigned)0, Micro);
   T.getiOSVersion(Major, Minor, Micro);
-  EXPECT_EQ((unsigned)3, Major);
+  EXPECT_EQ((unsigned)5, Major);
   EXPECT_EQ((unsigned)0, Minor);
   EXPECT_EQ((unsigned)0, Micro);
 
@@ -432,7 +432,7 @@
   EXPECT_EQ((unsigned)5, Minor);
   EXPECT_EQ((unsigned)0, Micro);
   T.getiOSVersion(Major, Minor, Micro);
-  EXPECT_EQ((unsigned)3, Major);
+  EXPECT_EQ((unsigned)5, Major);
   EXPECT_EQ((unsigned)0, Minor);
   EXPECT_EQ((unsigned)0, Micro);
 
@@ -447,7 +447,7 @@
   EXPECT_EQ((unsigned)4, Minor);
   EXPECT_EQ((unsigned)0, Micro);
   T.getiOSVersion(Major, Minor, Micro);
-  EXPECT_EQ((unsigned)3, Major);
+  EXPECT_EQ((unsigned)5, Major);
   EXPECT_EQ((unsigned)0, Minor);
   EXPECT_EQ((unsigned)0, Micro);
 
@@ -462,7 +462,7 @@
   EXPECT_EQ((unsigned)7, Minor);
   EXPECT_EQ((unsigned)0, Micro);
   T.getiOSVersion(Major, Minor, Micro);
-  EXPECT_EQ((unsigned)3, Major);
+  EXPECT_EQ((unsigned)5, Major);
   EXPECT_EQ((unsigned)0, Minor);
   EXPECT_EQ((unsigned)0, Micro);
 
@@ -477,11 +477,11 @@
   EXPECT_EQ((unsigned)4, Minor);
   EXPECT_EQ((unsigned)0, Micro);
   T.getiOSVersion(Major, Minor, Micro);
-  EXPECT_EQ((unsigned)3, Major);
+  EXPECT_EQ((unsigned)5, Major);
   EXPECT_EQ((unsigned)0, Minor);
   EXPECT_EQ((unsigned)0, Micro);
 
-  T = Triple("armv7-apple-ios5.0");
+  T = Triple("armv7-apple-ios7.0");
   EXPECT_FALSE(T.isMacOSX());
   EXPECT_TRUE(T.isiOS());
   EXPECT_FALSE(T.isArch16Bit());
@@ -492,7 +492,7 @@
   EXPECT_EQ((unsigned)4, Minor);
   EXPECT_EQ((unsigned)0, Micro);
   T.getiOSVersion(Major, Minor, Micro);
-  EXPECT_EQ((unsigned)5, Major);
+  EXPECT_EQ((unsigned)7, Major);
   EXPECT_EQ((unsigned)0, Minor);
   EXPECT_EQ((unsigned)0, Micro);
 }