Add an assertion so that we don't accidentally build constant arrays of

VLAs.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72587 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 3 insertions, 0 deletions

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index b230edb93d..00eaa361a3 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1063,6 +1063,9 @@ QualType ASTContext::getConstantArrayType(QualType EltTy,
                                           const llvm::APInt &ArySizeIn,
                                           ArrayType::ArraySizeModifier ASM,
                                           unsigned EltTypeQuals) {
+  assert((EltTy->isDependentType() || EltTy->isConstantSizeType()) &&
+         "Constant array of VLAs is illegal!");
+
   // Convert the array size into a canonical width matching the pointer size for
   // the target.
   llvm::APInt ArySize(ArySizeIn);