[lld] r276338 - Really fix invalid EhSectionPiece access.

[Rafael Espindola via llvm-commits]

Author: rafael
Date: Thu Jul 21 16:15:32 2016
New Revision: 276338

URL: http://llvm.org/viewvc/llvm-project?rev=276338&view=rev
Log:
Really fix invalid EhSectionPiece access.

I wonder what is the most idiomatic way to write this.

Modified:
    lld/trunk/ELF/Relocations.cpp

Modified: lld/trunk/ELF/Relocations.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Relocations.cpp?rev=276338&r1=276337&r2=276338&view=diff
==============================================================================
--- lld/trunk/ELF/Relocations.cpp (original)
+++ lld/trunk/ELF/Relocations.cpp Thu Jul 21 16:15:32 2016
@@ -525,12 +525,12 @@ static void scanRelocs(InputSectionBase<
   ArrayRef<uint8_t> SectionData = C.getSectionData();
   const uint8_t *Buf = SectionData.begin();
 
-  SectionPiece *PieceI = nullptr;
-  SectionPiece *PieceE = nullptr;
-  if (auto *Eh = dyn_cast<EhInputSection<ELFT>>(&C)) {
-    PieceI = &*Eh->Pieces.begin();
-    PieceE = PieceI + Eh->Pieces.size();
-  }
+  ArrayRef<EhSectionPiece> Pieces;
+  if (auto *Eh = dyn_cast<EhInputSection<ELFT>>(&C))
+    Pieces = Eh->Pieces;
+
+  ArrayRef<EhSectionPiece>::iterator PieceI = Pieces.begin();
+  ArrayRef<EhSectionPiece>::iterator PieceE = Pieces.end();
 
   for (auto I = Rels.begin(), E = Rels.end(); I != E; ++I) {
     const RelTy &RI = *I;