[clang] f64f760 - [NFC][CLANG] Fix nullptr dereference issue in Type::getSveEltType()

[via cfe-commits]

Author: Manna, Soumi
Date: 2023-05-30T08:00:12-07:00
New Revision: f64f760e2d20340ef7d1a95c8598a90e42ac31e7

URL: https://github.com/llvm/llvm-project/commit/f64f760e2d20340ef7d1a95c8598a90e42ac31e7
DIFF: https://github.com/llvm/llvm-project/commit/f64f760e2d20340ef7d1a95c8598a90e42ac31e7.diff

LOG: [NFC][CLANG] Fix nullptr dereference issue in Type::getSveEltType()

This patch uses castAs instead of getAs which will assert if the type
 doesn't match in clang::Type::getSveEltType(clang::ASTContext const &)

Reviewed By: erichkeane

Differential Revision: https://reviews.llvm.org/D151525

Added: 
    

Modified: 
    clang/lib/AST/Type.cpp

Removed: 
    


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diff  --git a/clang/lib/AST/Type.cpp b/clang/lib/AST/Type.cpp
index 51e206d8c463..508965fc38e5 100644
--- a/clang/lib/AST/Type.cpp
+++ b/clang/lib/AST/Type.cpp
@@ -2434,7 +2434,7 @@ bool Type::isVLSTBuiltinType() const {
 QualType Type::getSveEltType(const ASTContext &Ctx) const {
   assert(isVLSTBuiltinType() && "unsupported type!");
 
-  const BuiltinType *BTy = getAs<BuiltinType>();
+  const BuiltinType *BTy = castAs<BuiltinType>();
   if (BTy->getKind() == BuiltinType::SveBool)
     // Represent predicates as i8 rather than i1 to avoid any layout issues.
     // The type is bitcasted to a scalable predicate type when casting between