Remove calls to compiler warnings after we've printed out the message. No reason to generate that code.
Merge branch 'master' of github.com:chapel-lang/chapel into remove-comp-warning
Removing debugging printf; Adding some comments
Place removeCompilerWarning in pruneResolvedTree
Merge pull request #1051 from benharsh/remove-comp-warning

Remove compilerWarnings after they have been issued

This patch removes compilerWarnings at the end of function resolution, after they have served their purpose. When they were left in the program, we would leak the string every time the function was called.