tree 25d0c9537e944912791d3119fa254b35c1a52775
parent dd4157dcee70479240f0623d015fde0b6c86e1eb
author Steven Perron <stevenperron@google.com> 1547758963 -0500
committer GitHub <noreply@github.com> 1547758963 -0500
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Fix memory leak in unrolling. (#2301)

During unrolling a new loop is created, but its ownership is not clear
as it gets passed through the code. Changed something to unique_ptr to
make that clearer.

Fixes #2299.

Fixing other memory leaks at the same time.

Fixes #2296
Fixes #2297