[PATCH] Update Clang to change in ReadAbbrevBlock API (bug 20485)

[Rafael Ávila de Espíndola]

REPOSITORY
  rL LLVM

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Comment at: lib/Serialization/ASTReader.cpp:1344
@@ +1343,3 @@
+    if (Cursor.ReadAbbrevRecord()) {
+      Error("malformed abbrev record in AST file");
+      return Failure;
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This should not be needed. The idea of having a diagnostic handler is that the diagnostic has to be issued only once. With this clang would be printing two errors.This one and one from the bitcode reader.

http://reviews.llvm.org/D7007

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