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Archived issue #0032478

BRepAlgoAPI_Common produces empty compound

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Description

When using the attached shape, common operation returns an empty shape, if common is calculated for two equal shapes.

Steps to reproduce

In Draw Test Harness, use the attached shape with the following example:
restore Attachment 1 (BREP) a
restore Attachment 1 (BREP) b

bcommon r a b
nbshapes r

From output it is visible that shape r is empty.

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