abv 4db4247a0b 0024836: Stack overflow when raising exception in low memory condition ...

Standard_OutOfMemory exception is refactored so as to avoid memory allocations (which will likely fail) when it is raised:

- method NewInstance() returns static instance (singleton)
- method Raise() raises copy of that singleton, resetting its message string
- message string is stored as field, not allocated dynamically (thus maximum message length is limited by buffer size)

Class Standard_Failure slightly revised: method Destroy() is merged to destructor, methods Get/SetMessageString() are made virtual.

Add test case for the bug

2016-01-21 15:49:51 +03:00

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