[PATCH] D46274: [Support] Harden JSON against invalid UTF-8.

[Sam McCall via Phabricator via llvm-commits]

sammccall created this revision.
sammccall added a reviewer: benhamilton.
Herald added a subscriber: llvm-commits.

Parsing invalid UTF-8 input is now a parse error.
Creating JSON values from invalid UTF-8 now triggers an assertion, and
(in no-assert builds) substitutes the unicode replacement character.
Strings retrieved from json::Value are always valid UTF-8.


Repository:
  rL LLVM

https://reviews.llvm.org/D46274

Files:
  include/llvm/Support/JSON.h
  lib/Support/JSON.cpp
  unittests/Support/JSONTest.cpp

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