[cfe-commits] [PATCH] Fix Numeric literals leaks

[Argyrios Kyrtzidis]

The attached patch fixes the leaks of FloatingLiteral/IntegerLiteral.

For large floats/integers, APFloat/APInt will allocate memory from the heap to represent these numbers. 
Unfortunately, when we use a BumpPtrAllocator to allocate IntegerLiteral/FloatingLiteral nodes the memory associated with
the APFloat/APInt values will never get freed.
I introduce the class 'APNumericStorage' which uses ASTContext's allocator for memory allocation and is used internally by FloatingLiteral/IntegerLiteral.

Please review.

-Argiris

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