[PATCH] D26350: Keep invalid Switch in the AST

[Olivier Goffart via cfe-commits]

ogoffart created this revision.
ogoffart added reviewers: rsmith, cfe-commits.

- When the condition is invalid, replace it by an OpaqueValueExpr

- When parsing an invalid CaseStmt, don't drop the sub statement, just return  it instead.

- In Sema::ActOnStartOfSwitchStmt, always keep the SwitchStmt, even if it has duplicate case or defaults statement or that the condition cannot be converted to an integral type.




https://reviews.llvm.org/D26350

Files:
  lib/Parse/ParseStmt.cpp
  lib/Sema/SemaStmt.cpp
  test/Misc/ast-dump-invalid-switch.cpp

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