f0cf4d4d7f
The code in the compiler's DWARF line table generation emits line table ops at the end of each function fragment to reset the state machine registers back to an initial state, so that when the line table fragments for each function are stitched together into a compilation unit, each fragment will have a clean starting point. The set-file/set-line ops emitted in this code were being applied to the last row of the line table, however, meaning that they were overwriting the existing values. To avoid this problem, add code to advance the PC past the end of the last instruction in the function, and switch to just using an end-of-sequence operator at the end of each function instead of explicit set-file/set-line ops. Updates #39757. Change-Id: Ieb30f83444fa86fb1f2cd53862d8cc8972bb8763 Reviewed-on: https://go-review.googlesource.com/c/go/+/239286 Reviewed-by: Cherry Zhang <cherryyz@google.com> Reviewed-by: Jeremy Faller <jeremy@golang.org> Reviewed-by: David Chase <drchase@google.com> |
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