[all-commits] [llvm/llvm-project] dd8135: Suppress printing lambda body for constexpr diagno...

[Sherman Pay via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dd81356eacdd78d6781772e4ca5a25482a347b68
      https://github.com/llvm/llvm-project/commit/dd81356eacdd78d6781772e4ca5a25482a347b68
  Author: Sherman Pay <shermanpay1991 at gmail.com>
  Date:   2026-04-16 (Thu, 16 Apr 2026)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/AST/PrettyPrinter.h
    M clang/lib/AST/ByteCode/InterpFrame.cpp
    M clang/lib/AST/ExprConstant.cpp
    M clang/lib/AST/StmtPrinter.cpp
    M clang/test/AST/ast-printer-lambda.cpp
    A clang/test/AST/constexpr-lambda-diagnostic.cpp

  Log Message:
  -----------
  Suppress printing lambda body for constexpr diagnostics (#185800)

closes #125914

Introduce `SupressLambdaBody` `PrintingPolicy` that is used only for
constexpr diagnostics. This ensures `--print-ast` still works the same.
I also considered other approaches such as modifying the
`PrintingPolicy` in the current `AstContext`, but that might cause
unexpected changes.

Add two tests:
1. To ast-printer-lambda to ensure `--print-ast` works the same.
2. Ensure lambda body is not printed for constexpr diagnostics.



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