[llvm] 3dbbbcc - [llvm-xray] consumeError when trying big-endian

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2020-05-16T22:44:48-07:00
New Revision: 3dbbbcc80e673a79f96b40a16a538dca65b709ab

URL: https://github.com/llvm/llvm-project/commit/3dbbbcc80e673a79f96b40a16a538dca65b709ab
DIFF: https://github.com/llvm/llvm-project/commit/3dbbbcc80e673a79f96b40a16a538dca65b709ab.diff

LOG: [llvm-xray] consumeError when trying big-endian

Follow-up of rL341226.

Fixes "Expected<T> must be checked before access or destruction"

Added: 
    

Modified: 
    llvm/lib/XRay/Trace.cpp

Removed: 
    


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diff  --git a/llvm/lib/XRay/Trace.cpp b/llvm/lib/XRay/Trace.cpp
index 4f107e1059cc..5ceb269b6d1d 100644
--- a/llvm/lib/XRay/Trace.cpp
+++ b/llvm/lib/XRay/Trace.cpp
@@ -410,6 +410,7 @@ Expected<Trace> llvm::xray::loadTraceFile(StringRef Filename, bool Sort) {
   auto TraceOrError = loadTrace(LittleEndianDE, Sort);
   if (!TraceOrError) {
     DataExtractor BigEndianDE(Data, false, 8);
+    consumeError(TraceOrError.takeError());
     TraceOrError = loadTrace(BigEndianDE, Sort);
   }
   return TraceOrError;