Reduce memory footprint of InstAccesses

[Jesper Mattsson]

It seems like InstAccesses takes a lot of memory. Investigate why and reduce it if possible.

This is a part of #2031.

[Jesper Mattsson]

changeset:3879

Changed Dot & InstDot to use flat structure instead of tree to reduce memory use.

[jsten]

changeset:3901
Removed some unused lazy attributes and removed an unnecessary circular attribute from InstAccess.

[jsten]

changeset:3902
Removed lazy from InstAccess.qualifiedAllFArraySubscripts(), lazy is not necessary since the attribute is called few times per instance.

[jsten]

changeset:3903
Removed lazy from InstAccess.size(), lazy is not necessary since the attribute is called few times per instance.

[jsten]

changeset:3907
Removed lazy from InstAccess.type(), lazy is not necessary since the attribute is called few times per instance.

[jsten]

changeset:3909
Removed lazy from FExp.inEquationSection(), FExp.inInitialEquationSection() and FExp.inEquation(), lazy is not necessary since the attribute is called few times per instance.

[jsten]

changeset:3910
Moved lazy for InstAccess.qualifiedLookupInstClass() to InstClassAccess.qualifiedLookupInstClass(). Also moved lazy for InstAccess.myInstClassDecl() to InstClassAccess.myInstClassDecl(), lazy is not necessary since the attribute is called few times per instance.

[jsten]

changeset:3931
Removed unnecessary lazy and circular attribute from InstClassAccess.qualifiedLookupInstClass().
It is safe to remove since the method code uses lazy methods with circular guards.

[jsten]

changeset:3932
Moved lazyness from InstAccess.myInstComponentDecl() to InstComponentAccess.myInstComponentDecl().

[jsten]

changeset:3933
Removed unnecessary lazy attribute from GlobalAccess.qualifiedName(), Dot.qualifiedName(), InstDot.qualifiedName() and InstGlobalAccess.qualifiedName().

[Jesper Mattsson]

Ongoing -> 1.10.x