// question....
assert(Offset == 0 && !isArray() &&
"Cannot have an offset into a void node!");
+
+ // If this node would have to have an unreasonable number of fields, just
+ // collapse it. This can occur for fortran common blocks, which have stupid
+ // things like { [100000000 x double], [1000000 x double] }.
+ unsigned NumFields = (NewTySize+DS::PointerSize-1) >> DS::PointerShift;
+ if (NumFields > 64) {
+ foldNodeCompletely();
+ return true;
+ }
+
Ty = NewTy;
NodeType &= ~Array;
if (WillBeArray) NodeType |= Array;
Size = NewTySize;
// Calculate the number of outgoing links from this node.
- Links.resize((Size+DS::PointerSize-1) >> DS::PointerShift);
+ Links.resize(NumFields);
return false;
}
Ty = NewTy;
NodeType &= ~Array;
if (WillBeArray) NodeType |= Array;
+
+ // If this node would have to have an unreasonable number of fields, just
+ // collapse it. This can occur for fortran common blocks, which have stupid
+ // things like { [100000000 x double], [1000000 x double] }.
+ unsigned NumFields = (NewTySize+DS::PointerSize-1) >> DS::PointerShift;
+ if (NumFields > 64) {
+ foldNodeCompletely();
+ return true;
+ }
+
Size = NewTySize;
// Must grow links to be the appropriate size...