Bug 40793 Primary working copies: Type search does not find type in modified CU
M2 See test cases AllTypesCacheTest.testWorkingCopies() & testWorkingCopies2(): Editor is opened and the type name of the opened type is modfied. testWorkingCopies(): editor is saved: new type is found in index but also old type is still found testWorkingCopies2(): editor is not saved: new type is not found in index
org.eclipse.jdt.ui.tests/ui/org/eclipse/jdt/ui/tests/core/AllTypesCacheTest.java
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