Update clang to r108428.

3 files changed, 13 insertions, 2 deletions

diff --git a/lib/Basic/FileManager.cpp b/lib/Basic/FileManager.cpp
index c4296c3..3c91a0f 100644
--- a/lib/Basic/FileManager.cpp
+++ b/lib/Basic/FileManager.cpp
@@ -331,8 +331,8 @@ const FileEntry *FileManager::getFile(const char *NameStart,
 }
 
 const FileEntry *
-FileManager::getVirtualFile(const llvm::StringRef &Filename,
-                            off_t Size, time_t ModificationTime) {
+FileManager::getVirtualFile(llvm::StringRef Filename, off_t Size,
+                            time_t ModificationTime) {
   const char *NameStart = Filename.begin(), *NameEnd = Filename.end();
 
   ++NumFileLookups;
diff --git a/lib/Basic/TargetInfo.cpp b/lib/Basic/TargetInfo.cpp
index e4eaf63..7fcf372 100644
--- a/lib/Basic/TargetInfo.cpp
+++ b/lib/Basic/TargetInfo.cpp
@@ -55,6 +55,9 @@ TargetInfo::TargetInfo(const std::string &T) : Triple(T) {
                       "i64:64:64-f32:32:32-f64:64:64-n32";
   UserLabelPrefix = "_";
   HasAlignMac68kSupport = false;
+
+  // Default to no types using fpret.
+  RealTypeUsesObjCFPRet = 0;
 }
 
 // Out of line virtual dtor for TargetInfo.
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 8d79316..fdf63e7 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -1245,6 +1245,11 @@ public:
     PtrDiffType = SignedInt;
     IntPtrType = SignedInt;
     RegParmMax = 3;
+
+    // Use fpret for all types.
+    RealTypeUsesObjCFPRet = ((1 << TargetInfo::Float) |
+                             (1 << TargetInfo::Double) |
+                             (1 << TargetInfo::LongDouble));
   }
   virtual const char *getVAListDeclaration() const {
     return "typedef char* __builtin_va_list;";
@@ -1411,6 +1416,9 @@ public:
     DescriptionString = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
                         "i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
                         "a0:0:64-s0:64:64-f80:128:128-n8:16:32:64";
+
+    // Use fpret only for long double.
+    RealTypeUsesObjCFPRet = (1 << TargetInfo::LongDouble);
   }
   virtual const char *getVAListDeclaration() const {
     return "typedef struct __va_list_tag {"