fix backtrace for dynamic method
fix backtrace for dynamic method

Change-Id: I3a37b5dbd063f3f92e12e3483ee08378da1c1e12
Reviewed-on: https://gerrit.instructure.com/70573
Tested-by: Jenkins
Reviewed-by: Simon Williams <088e16a1019277b15d58faf0541e11910eb756f6@instructure.com>
Product-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>
QA-Review: Cody Cutrer <c4fe2b1d90ef8f2548c8aeabfa633434316f0305@instructure.com>

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