[PATCH] D77313: [AST] Allow VectorTypes of 1-256 elements, and powers of two up to 2**31.

[Sam McCall via Phabricator via cfe-commits]

sammccall created this revision.
sammccall added reviewers: hokein, rjmccall, erichkeane.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

This used to be 1-2043 elements, and recently regressed to a limit of 1023.
The new behavior is an almost-superset of GCC, which accepts powers of two up
to 2**62.

This change frees one further bit in VectorType in case Type grows again.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D77313

Files:
  clang/include/clang/AST/Type.h
  clang/include/clang/Basic/DiagnosticSemaKinds.td
  clang/lib/AST/Type.cpp
  clang/lib/Sema/SemaType.cpp
  clang/test/Sema/types.c
  clang/test/SemaCXX/vector.cpp

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