diff options
Diffstat (limited to 'clang/lib/Sema/SemaExprCXX.cpp')
| -rw-r--r-- | clang/lib/Sema/SemaExprCXX.cpp | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/clang/lib/Sema/SemaExprCXX.cpp b/clang/lib/Sema/SemaExprCXX.cpp index 35e679f53e7..5e46090c058 100644 --- a/clang/lib/Sema/SemaExprCXX.cpp +++ b/clang/lib/Sema/SemaExprCXX.cpp @@ -716,8 +716,20 @@ Sema::BuildCXXNew(SourceLocation StartLoc, bool UseGlobal, llvm::APInt::getNullValue(Value.getBitWidth()), Value.isUnsigned())) return ExprError(Diag(ArraySize->getSourceRange().getBegin(), - diag::err_typecheck_negative_array_size) + diag::err_typecheck_negative_array_size) << ArraySize->getSourceRange()); + + if (!AllocType->isDependentType()) { + unsigned ActiveSizeBits + = ConstantArrayType::getNumAddressingBits(Context, AllocType, Value); + if (ActiveSizeBits > ConstantArrayType::getMaxSizeBits(Context)) { + Diag(ArraySize->getSourceRange().getBegin(), + diag::err_array_too_large) + << Value.toString(10) + << ArraySize->getSourceRange(); + return ExprError(); + } + } } else if (TypeIdParens.isValid()) { // Can't have dynamic array size when the type-id is in parentheses. Diag(ArraySize->getLocStart(), diag::ext_new_paren_array_nonconst) |
