![]() The compiler appears to contain several squirrelly corner cases where nodes are double walked, some where new nodes are created from walked parts. Rather than trust that we had searched hard enough for the last one, change exprSwitch.walk() to return immediately if it has already been walked. This appears to be the only case where double-walking a node is actually harmful. Fixes #29562. Change-Id: I0667e8769aba4c3236666cd836a934e256c0bfc5 Reviewed-on: https://go-review.googlesource.com/c/156317 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> |
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