[clang] [clang] Fix size and alignment of packed sub-byte integer vectors (PR #161796)

[Steffen Larsen via cfe-commits]

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@@ -2093,10 +2093,15 @@ TypeInfo ASTContext::getTypeInfoImpl(const Type *T) const {
   case Type::ExtVector:
   case Type::Vector: {
     const auto *VT = cast<VectorType>(T);
-    TypeInfo EltInfo = getTypeInfo(VT->getElementType());
-    Width = VT->isPackedVectorBoolType(*this)
-                ? VT->getNumElements()
-                : EltInfo.Width * VT->getNumElements();
+    QualType Elt = VT->getElementType();
+    uint64_t EltWidth = [&]() -> uint64_t {
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steffenlarsen wrote:

While also fixing bit-casts, this lambda function was moved to its own function on the AST context.

https://github.com/llvm/llvm-project/pull/161796