cmd/compile: new mid-stack inlining tracebacks broke TestNexting

[aclements]

CL 152537 broke TestNexting. For example: https://build.golang.org/log/ad327f4df87dc312a4840aa82dccbaf832822120

/cc @dr2chase @randall77

[dr2chase]

I suspect the resolution is to just update the comparison files, but I think I want to look at a different plan for assigning statement boundaries for 1.13 because this is not-good.

[gopherbot]

Change https://golang.org/cl/156021 mentions this issue: cmd/compile: Update ssa/debug_test reference files for delve and gdb