text/template: incompatible change using parenthesized expression #35974
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FrozenDueToAge
NeedsInvestigation
Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
release-blocker
Milestone
Sample program:
Using Go 1.2 through Go 1.13 this prints
Using tip this fails:
This is due to https://golang.org/cl/206124 "text/template: add error check for parenthesized first argument in pipeline", which was written to fix #31810.
Unless this example is somehow incorrect, I think that we need to roll back that CL and try again for Go 1.15.
CC @robpike
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