Subzero: Fix a bug in register allocator overlap computation.

src/IceCompileServer.cpp

 //===- subzero/src/IceCompileServer.cpp - Compile server ------------------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 76 matching lines @@
   }
 }
 
 ErrorCodes getReturnValue(const Ice::ClFlagsExtra &Flags, ErrorCodes Val) {
   if (Flags.getAlwaysExitSuccess())
     return EC_None;
   return Val;
 }
 
 // Reports fatal error message, and then exits with success status 0.
-void reportFatalErrorThenExitSuccess(void * UserData,
-                                     const std::string &Reason,
+void reportFatalErrorThenExitSuccess(void *UserData, const std::string &Reason,
                                      bool GenCrashDag) {
   (void)UserData;
   (void)GenCrashDag;
 
   // Note: This code is (mostly) copied from llvm/lib/Support/ErrorHandling.cpp
 
   // Blast the result out to stderr.  We don't try hard to make sure this
   // succeeds (e.g. handling EINTR) and we can't use errs() here because
   // raw ostreams can call report_fatal_error.
   llvm::SmallVector<char, 64> Buffer;
@@ skipping 91 matching lines @@
     });
     CompileThread.join();
   } else {
     getCompiler().run(ExtraFlags, *Ctx.get(), std::move(InputStream));
   }
   transferErrorCode(getReturnValue(
       ExtraFlags, static_cast<ErrorCodes>(Ctx->getErrorStatus()->value())));
 }
 
 } // end of namespace Ice