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8321734: [lworld] C2: flat_in_array type is not handled correctly leading to crashes #1079

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8321734: [lworld] C2: flat_in_array type is not handled correctly leading to crashes #1079

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8321734: [lworld] C2: flat_in_array type with array type comparisons …
chhagedorn Apr 15, 2024
beb1289
Update test and add fix from JDK-8328480
chhagedorn Apr 16, 2024
8501d19
small update
chhagedorn Apr 19, 2024
18b027e
Apply suggestions from code review
chhagedorn Apr 24, 2024
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4 changes: 2 additions & 2 deletions test/hotspot/jtreg/compiler/valhalla/inlinetypes/TestFlatInArraysFolding.java
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Original file line number Diff line number Diff line change
@@ -27,7 +27,7 @@
* @requires vm.gc.Serial
* @summary Test that CmpPNode::sub and SubTypeCheckNode::sub correctly identify unrelated classes based on the flat
* in array property of the types. Additionally check that the type system properly handles the case of a
* super class being flat in array while the sub klass could be flat in array.
* super class being flat in array while the sub klass could be flat in array.
* @library /test/lib /
* @enablePreview
* @modules java.base/jdk.internal.value
@@ -40,7 +40,7 @@
* @bug 8321734
* @summary Test that CmpPNode::sub and SubTypeCheckNode::sub correctly identify unrelated classes based on the flat
* in array property of the types. Additionally check that the type system properly handles the case of a
* super class being flat in array while the sub klass could be flat in array.
* super class being flat in array while the sub klass could be flat in array.
* @library /test/lib /
* @enablePreview
* @modules java.base/jdk.internal.value