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cmd/compile: building with -N produces "phis in single-predecessor block" error #14857

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ianlancetaylor opened this issue Mar 18, 2016 · 2 comments
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cmd/compile: building with -N produces "phis in single-predecessor block" error #14857

ianlancetaylor opened this issue Mar 18, 2016 · 2 comments
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Go1.7

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@ianlancetaylor
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At tip revision 248c3a3:

> go build -a -gcflags=-N runtime
# runtime
runtime/cgocall.go:567: internal compiler error: phis in single-predecessor block
@ianlancetaylor ianlancetaylor added this to the Go1.7 milestone Mar 18, 2016
@bradfitz
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Visible on build.golang.org too. The -noopt builder is broken: http://build.golang.org/log/6572eab8287245fc4e5482159f2b0fb7b6b109bd

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CL https://golang.org/cl/20826 mentions this issue.

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@bradfitz @ianlancetaylor @randall77 @gopherbot