RFR(S): 8186716: [MVT] C2 crashes with "assert(!n->is_ValueType()) failed: value types should not be split through phis"

Roland Westrelin rwestrel at redhat.com
Thu Sep 21 12:33:18 UTC 2017

> That's because with non-flattened value type fields (see my changes
> for 8185556), we need to "recursively" scalarize value types in
> safepoints. While processing a value type node in
> Compile::process_value_types(), other value type nodes that are on the
> _value_type_nodes list may become dead and are removed from the list
> screwing up the GrowableArray iterator. Using a node list is the
> easiest way to solve this.



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