commit 923d56d436f750bc1f29db50e641078725558a1b
author Sebastian Redl <sebastian.redl@getdesigned.at> Thu Nov 05 15:52:31 2009 +0000
committer Sebastian Redl <sebastian.redl@getdesigned.at> Thu Nov 05 15:52:31 2009 +0000
tree 880fa20f7e980c3b978481425084763f696ceeb3
parent 2ac67239b4ab81c439ffcc56367574c869f87dae

Allow the element type of arrays to be incomplete in C++.
This fixes PR5048. Also fix a bug where zero-sized arrays weren't warned about when the size was unsigned.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@86136 91177308-0d34-0410-b5e6-96231b3b80d8

lib/AST/ASTContext.cpp

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index d1b7a36..8562249 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1395,7 +1395,8 @@
                                           const llvm::APInt &ArySizeIn,
                                           ArrayType::ArraySizeModifier ASM,
                                           unsigned EltTypeQuals) {
-  assert((EltTy->isDependentType() || EltTy->isConstantSizeType()) &&
+  assert((EltTy->isDependentType() ||
+          EltTy->isIncompleteType() || EltTy->isConstantSizeType()) &&
          "Constant array of VLAs is illegal!");
 
   // Convert the array size into a canonical width matching the pointer size for