[Bug 3837] New: [IcedTea8] Missing null check on 64-bit platforms

[bugzilla-daemon at icedtea.classpath.org]

https://icedtea.classpath.org/bugzilla/show_bug.cgi?id=3837

            Bug ID: 3837
           Summary: [IcedTea8] Missing null check on 64-bit platforms
           Product: IcedTea
           Version: 3.x-hg
          Hardware: 64-bit
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: IcedTea
          Assignee: gnu.andrew at redhat.com
          Reporter: gnu.andrew at redhat.com
                CC: unassigned at icedtea.classpath.org

/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/ci/ciInstance.hpp:
In function 'static const TypeAryPtr* TypeAryPtr::make(TypePtr::PTR, const
TypeAry*, ciKlass*, bool, int, int, const TypeOopPtr*, int)':
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/ci/ciInstance.hpp:68:12:
note: in a call to non-static member function 'ciKlass*
ciInstance::java_lang_Class_klass()'
   68 |   ciKlass* java_lang_Class_klass();
      |            ^~~~~~~~~~~~~~~~~~~~~
In constructor 'TypeOopPtr::TypeOopPtr(Type::TYPES, TypePtr::PTR, ciKlass*,
bool, ciObject*, int, int, const TypeOopPtr*, int)',
    inlined from 'static const TypeOopPtr* TypeOopPtr::make(TypePtr::PTR, int,
int, const TypeOopPtr*, int)' at
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/opto/type.cpp:2591:108:
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/opto/type.cpp:2556:71:
error: 'this' pointer is null [-Werror=nonnull]
 2556 |           ciInstanceKlass* k =
o->as_instance()->java_lang_Class_klass()->as_instance_klass();
      |                               
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~

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