llvm::sort(C.begin(), C.end(), ...) -> llvm::sort(C, ...)

Summary: The convenience wrapper in STLExtras is available since rL342102.

Reviewers: dblaikie, javed.absar, JDevlieghere, andreadb

Subscribers: MatzeB, sanjoy, arsenm, dschuff, mehdi_amini, sdardis, nemanjai, jvesely, nhaehnle, sbc100, jgravelle-google, eraman, aheejin, kbarton, JDevlieghere, javed.absar, gbedwell, jrtc27, mgrang, atanasyan, steven_wu, george.burgess.iv, dexonsmith, kristina, jsji, llvm-commits

Differential Revision: https://reviews.llvm.org/D52573

llvm-svn: 343163
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
index a5c31a5..5d9f5a3 100644
--- a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
@@ -106,10 +106,11 @@
   // Sort the contributions so that any invalid ones are placed at
   // the start of the contributions vector. This way they are reported
   // first.
-  llvm::sort(Contributions.begin(), Contributions.end(),
+  llvm::sort(Contributions,
              [](const Optional<StrOffsetsContributionDescriptor> &L,
                 const Optional<StrOffsetsContributionDescriptor> &R) {
-               if (L && R) return L->Base < R->Base;
+               if (L && R)
+                 return L->Base < R->Base;
                return R.hasValue();
              });