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Disallow initializing void * with ptr to const.

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jbrodman
2014-02-04 03:36:19 -08:00
parent 4ee0e6996a
commit 720975dff4
1 changed files with 7 additions and 0 deletions
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7
expr.cpp
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@@ -339,7 +339,14 @@ lDoTypeConv(const Type *fromType, const Type *toType, Expr **expr,
return false; return false;
} }
else if (PointerType::IsVoidPointer(toPointerType)) { else if (PointerType::IsVoidPointer(toPointerType)) {
if (fromPointerType->GetBaseType()->IsConstType()) {
if (!failureOk)
Error(pos, "Can't convert pointer to const \"%s\" to void pointer.",
fromPointerType->GetString().c_str());
return false;
}
// any pointer type can be converted to a void * // any pointer type can be converted to a void *
// ...almost. #731
goto typecast_ok; goto typecast_ok;
} }
else if (PointerType::IsVoidPointer(fromPointerType) && else if (PointerType::IsVoidPointer(fromPointerType) &&