Wrap a monadic combinator in a try-with block to catch exceptions.
Wrap a monadic combinator in a try-with block to catch exceptions.

Moving code around uncovered this bug.

Zimmi48/coq,gares/coq,ejgallego/coq,coq/coq,gares/coq,JasonGross/coq,ejgallego/coq,Zimmi48/coq,gares/coq,coq/coq,coq/coq,gares/coq,silene/coq,Zimmi48/coq,SkySkimmer/coq,SkySkimmer/coq,silene/coq,Zimmi48/coq,JasonGross/coq,coq/coq,JasonGross/coq,silene/coq,SkySkimmer/coq,gares/coq,JasonGross/coq,ejgallego/coq,ejgallego/coq,SkySkimmer/coq