[PATCH] D15958: u8 character literals

[Aaron Ballman via cfe-commits]

aaron.ballman created this revision.
aaron.ballman added a reviewer: rsmith.
aaron.ballman added a subscriber: cfe-commits.

While working on a different patch, I noticed that pretty-printing of UTF-8 character literals (from C++1z) did not get the proper u8 prefix. This patch tracks the fact that the character literal is UTF-8, even though the underlying character literal type is char. It adds some additional tests to ensure that character literal prefixes are properly tracked for all prefixes.

http://reviews.llvm.org/D15958

Files:
  include/clang/AST/Expr.h
  include/clang/AST/Stmt.h
  include/clang/Lex/LiteralSupport.h
  lib/AST/StmtPrinter.cpp
  lib/Lex/LiteralSupport.cpp
  lib/Sema/SemaExpr.cpp
  lib/Sema/SemaExprObjC.cpp
  lib/Sema/SemaTemplate.cpp
  test/Misc/ast-print-char-literal.cpp

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