| commit | 9bba63bbbe43ee6370367220feb46717ec50ea9c | [log] [tgz] |
|---|---|---|
| author | David Chase <drchase@google.com> | Mon Nov 18 14:14:22 2019 -0500 |
| committer | David Chase <drchase@google.com> | Tue Nov 19 00:38:53 2019 +0000 |
| tree | 262cea6a84d3ac76352f52378440d134d13fa6fb | |
| parent | 647741721cd06efd0bd17ca7f7a85ae2264a6fe7 [diff] |
cmd/compile: make a better bogus line for empty infinite loops The old recipe for making an infinite loop not be infinite in the debugger could create an instruction (Prog) with a line number not tied to any file (index == 0). This caused downstream failures in DWARF processing. So don't do that. Also adds a test, also adds a check+panic to ensure that the next time this happens the error is less mystifying. Fixes #35652 Change-Id: I04f30bc94fdc4aef20dd9130561303ff84fd945e Reviewed-on: https://go-review.googlesource.com/c/go/+/207613 Run-TryBot: David Chase <drchase@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Cherry Zhang <cherryyz@google.com>
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