fix(compiler-cli): avoid duplicate diagnostics about unknown pipes #39517
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TCB generation occasionally transforms binding expressions twice, which can result in a `BindingPipe` operation being `resolve()`'d multiple times. When the pipe does not exist, this caused multiple OOB diagnostics to be recorded about the missing pipe. This commit fixes the problem by making the OOB recorder track which pipe expressions have had diagnostics produced already, and only producing them once per expression.
alxhub
added
area: compiler
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I think it may be better to deduplicate diagnostics directly in the OOB recorder in case similar issues come up in the future. What do you think? |
Hmm, I don't know what you're suggesting should be done differently. This PR deduplicates the missing pipe diagnostic in the OOB recorder. |
kyliau
approved these changes
Nov 3, 2020
mhevery
pushed a commit
that referenced
this pull request
Nov 6, 2020
…39517) TCB generation occasionally transforms binding expressions twice, which can result in a `BindingPipe` operation being `resolve()`'d multiple times. When the pipe does not exist, this caused multiple OOB diagnostics to be recorded about the missing pipe. This commit fixes the problem by making the OOB recorder track which pipe expressions have had diagnostics produced already, and only producing them once per expression. PR Close #39517
mhevery
pushed a commit
that referenced
this pull request
Nov 6, 2020
…39517) TCB generation occasionally transforms binding expressions twice, which can result in a `BindingPipe` operation being `resolve()`'d multiple times. When the pipe does not exist, this caused multiple OOB diagnostics to be recorded about the missing pipe. This commit fixes the problem by making the OOB recorder track which pipe expressions have had diagnostics produced already, and only producing them once per expression. PR Close #39517
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TCB generation occasionally transforms binding expressions twice, which can
result in a
BindingPipeoperation beingresolve()'d multiple times. Whenthe pipe does not exist, this caused multiple OOB diagnostics to be recorded
about the missing pipe.
This commit fixes the problem by making the OOB recorder track which pipe
expressions have had diagnostics produced already, and only producing them
once per expression.