Update for LLVM API change to make Small(Ptr)Set::insert return pair<iterator, bool> as per the C++ standard's associative container concept.

llvm-svn: 222335
diff --git a/clang/lib/Frontend/InitHeaderSearch.cpp b/clang/lib/Frontend/InitHeaderSearch.cpp
index 998ccf9..5e89c8c 100644
--- a/clang/lib/Frontend/InitHeaderSearch.cpp
+++ b/clang/lib/Frontend/InitHeaderSearch.cpp
@@ -529,16 +529,16 @@
 
     if (CurEntry.isNormalDir()) {
       // If this isn't the first time we've seen this dir, remove it.
-      if (SeenDirs.insert(CurEntry.getDir()))
+      if (SeenDirs.insert(CurEntry.getDir()).second)
         continue;
     } else if (CurEntry.isFramework()) {
       // If this isn't the first time we've seen this framework dir, remove it.
-      if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir()))
+      if (SeenFrameworkDirs.insert(CurEntry.getFrameworkDir()).second)
         continue;
     } else {
       assert(CurEntry.isHeaderMap() && "Not a headermap or normal dir?");
       // If this isn't the first time we've seen this headermap, remove it.
-      if (SeenHeaderMaps.insert(CurEntry.getHeaderMap()))
+      if (SeenHeaderMaps.insert(CurEntry.getHeaderMap()).second)
         continue;
     }
 
diff --git a/clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp b/clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp
index bcfba22..ffac51e 100644
--- a/clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp
+++ b/clang/lib/Frontend/Rewrite/RewriteModernObjC.cpp
@@ -4041,7 +4041,7 @@
   endBuf += Lexer::MeasureTokenLength(LocEnd, *SM, LangOpts);
   ReplaceText(LocStart, endBuf-startBuf, Result);
   // Mark this struct as having been generated.
-  if (!ObjCSynthesizedStructs.insert(CDecl))
+  if (!ObjCSynthesizedStructs.insert(CDecl).second)
     llvm_unreachable("struct already synthesize- RewriteObjCInternalStruct");
 }
 
@@ -7105,7 +7105,7 @@
   Result += ";\n";
     
   // Mark this protocol as having been generated.
-  if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl()))
+  if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl()).second)
     llvm_unreachable("protocol already synthesized");
   
 }
diff --git a/clang/lib/Frontend/Rewrite/RewriteObjC.cpp b/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
index 3350815..5fb2374 100644
--- a/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
+++ b/clang/lib/Frontend/Rewrite/RewriteObjC.cpp
@@ -3227,7 +3227,7 @@
     ReplaceText(LocStart, endBuf-startBuf, Result);
   }
   // Mark this struct as having been generated.
-  if (!ObjCSynthesizedStructs.insert(CDecl))
+  if (!ObjCSynthesizedStructs.insert(CDecl).second)
     llvm_unreachable("struct already synthesize- SynthesizeObjCInternalStruct");
 }
 
@@ -5260,7 +5260,7 @@
   Result += "};\n";
   
   // Mark this protocol as having been generated.
-  if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl()))
+  if (!ObjCSynthesizedProtocols.insert(PDecl->getCanonicalDecl()).second)
     llvm_unreachable("protocol already synthesized");
   
 }