[all-commits] [llvm/llvm-project] 20eff6: [ExprConstant] Handle shift overflow the same way ...

[Eli Friedman via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 20eff684203287828d6722fc860b9d3621429542
      https://github.com/llvm/llvm-project/commit/20eff684203287828d6722fc860b9d3621429542
  Author: Eli Friedman <efriedma at quicinc.com>
  Date:   2024-07-24 (Wed, 24 Jul 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/AST/ExprConstant.cpp
    M clang/lib/AST/Interp/Interp.h
    M clang/lib/Sema/SemaExpr.cpp
    M clang/test/CXX/basic/basic.types/p10.cpp
    M clang/test/Sema/constant-builtins-2.c
    M clang/test/SemaCXX/class.cpp
    M clang/test/SemaCXX/enum.cpp

  Log Message:
  -----------
  [ExprConstant] Handle shift overflow the same way as other kinds of overflow (#99579)

We have a mechanism to allow folding expressions that aren't ICEs as an
extension; use it more consistently.

This ends up causing bad effects on diagnostics in a few cases, but
that's not specific to shifts; it's a general issue with the way those
uses handle overflow diagnostics.



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