Error on too many parameters for iterator method #60321

rbuckton · 2024-10-22T16:55:01Z

This reports an error when [Symbol.iterator]() or [Symbol.asyncIterator]() cannot safely be called by for..of, yield*, or ... due to a parameter count mismatch.

Fixes #57130

jakebailey · 2024-10-22T16:59:49Z

@typescript-bot test it

typescript-bot · 2024-10-22T16:59:54Z

Starting jobs; this comment will be updated as builds start and complete.

Command	Status	Results
`test top400`	✅ Started	✅ Results
`user test this`	✅ Started	✅ Results
`run dt`	✅ Started	✅ Results
`perf test this faster`	✅ Started	👀 Results

typescript-bot · 2024-10-22T17:17:31Z

@jakebailey Here are the results of running the user tests with tsc comparing main and refs/pull/60321/merge:

Everything looks good!

typescript-bot · 2024-10-22T17:21:54Z

Hey @jakebailey, the results of running the DT tests are ready.

Everything looks the same!

You can check the log here.

typescript-bot · 2024-10-22T17:41:49Z

@jakebailey
The results of the perf run you requested are in!

Here they are:

tsc

Comparison Report - baseline..pr

_Metric	_baseline	_pr	_Delta	_Best	_Worst	_p-value
_{Compiler-Unions - node (v18.15.0, x64)}
_Errors	₃₁	₃₁	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_62,340	_62,340	_~	_~	_~	_{p=1.000 n=6}
_Types	_50,379	_50,379	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{193,484k (± 0.79%)}	_{192,778k (± 0.01%)}	_{-706k (- 0.36%)}	_192,750k	_192,805k	_{p=0.045 n=6}
_{Parse Time}	_{1.31s (± 0.62%)}	_{1.31s (± 0.96%)}	_~	_1.29s	_1.32s	_{p=0.796 n=6}
_{Bind Time}	_0.72s	_{0.72s (± 0.57%)}	_~	_0.72s	_0.73s	_{p=0.405 n=6}
_{Check Time}	_{9.76s (± 0.28%)}	_{9.73s (± 0.38%)}	_~	_9.67s	_9.78s	_{p=0.091 n=6}
_{Emit Time}	_{2.68s (± 1.35%)}	_{2.73s (± 0.65%)}	_~	_2.70s	_2.74s	_{p=0.050 n=6}
_{Total Time}	_{14.48s (± 0.38%)}	_{14.48s (± 0.26%)}	_~	_14.43s	_14.53s	_{p=0.873 n=6}
_{angular-1 - node (v18.15.0, x64)}
_Errors	₃₃	₃₃	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_947,886	_947,886	_~	_~	_~	_{p=1.000 n=6}
_Types	_410,840	_410,840	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{1,224,567k (± 0.00%)}	_{1,224,624k (± 0.00%)}	_{+57k (+ 0.00%)}	_1,224,562k	_1,224,653k	_{p=0.031 n=6}
_{Parse Time}	_{6.67s (± 0.63%)}	_{6.62s (± 0.62%)}	_{-0.06s (- 0.87%)}	_6.59s	_6.69s	_{p=0.043 n=6}
_{Bind Time}	_{1.88s (± 0.40%)}	_{1.88s (± 0.29%)}	_~	_1.88s	_1.89s	_{p=0.476 n=6}
_{Check Time}	_{31.82s (± 0.53%)}	_{31.88s (± 0.29%)}	_~	_31.73s	_31.98s	_{p=0.809 n=6}
_{Emit Time}	_{15.17s (± 0.26%)}	_{15.19s (± 0.38%)}	_~	_15.10s	_15.25s	_{p=0.629 n=6}
_{Total Time}	_{55.54s (± 0.31%)}	_{55.57s (± 0.28%)}	_~	_55.30s	_55.78s	_{p=0.748 n=6}
_{mui-docs - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_2,494,498	_2,494,498	_~	_~	_~	_{p=1.000 n=6}
_Types	_908,298	_908,298	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{2,307,104k (± 0.00%)}	_{2,307,074k (± 0.00%)}	_~	_2,307,036k	_2,307,113k	_{p=0.298 n=6}
_{Parse Time}	_{9.31s (± 0.16%)}	_{9.32s (± 0.21%)}	_~	_9.30s	_9.35s	_{p=0.325 n=6}
_{Bind Time}	_{2.14s (± 0.35%)}	_{2.15s (± 0.39%)}	_~	_2.13s	_2.15s	_{p=0.432 n=6}
_{Check Time}	_{74.76s (± 0.33%)}	_{75.09s (± 0.12%)}	_{+0.33s (+ 0.44%)}	_74.97s	_75.21s	_{p=0.013 n=6}
_{Emit Time}	_{0.28s (± 4.71%)}	_{0.28s (± 4.27%)}	_~	_0.27s	_0.30s	_{p=0.865 n=6}
_{Total Time}	_{86.49s (± 0.28%)}	_{86.84s (± 0.10%)}	_{+0.35s (+ 0.41%)}	_86.71s	_86.92s	_{p=0.013 n=6}
_{self-build-src - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_1,258,033	_1,258,041	_{+8 (+ 0.00%)}	_~	_~	_{p=0.001 n=6}
_Types	_266,263	_266,229	_{-34 (- 0.01%)}	_~	_~	_{p=0.001 n=6}
_{Memory used}	_{3,146,384k (± 0.01%)}	_{3,146,885k (± 0.02%)}	_~	_3,145,940k	_3,147,625k	_{p=0.230 n=6}
_{Parse Time}	_{6.57s (± 0.59%)}	_{6.62s (± 0.36%)}	_{+0.05s (+ 0.76%)}	_6.59s	_6.64s	_{p=0.030 n=6}
_{Bind Time}	_{2.34s (± 1.14%)}	_{2.33s (± 0.97%)}	_~	_2.30s	_2.36s	_{p=0.748 n=6}
_{Check Time}	_{43.12s (± 0.16%)}	_{42.98s (± 0.42%)}	_~	_42.81s	_43.26s	_{p=0.173 n=6}
_{Emit Time}	_{3.54s (± 1.57%)}	_{3.50s (± 2.70%)}	_~	_3.37s	_3.63s	_{p=0.575 n=6}
_{Total Time}	_{55.58s (± 0.09%)}	_{55.44s (± 0.30%)}	_~	_55.24s	_55.68s	_{p=0.128 n=6}
_{self-build-src-public-api - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_1,258,033	_1,258,041	_{+8 (+ 0.00%)}	_~	_~	_{p=0.001 n=6}
_Types	_266,263	_266,229	_{-34 (- 0.01%)}	_~	_~	_{p=0.001 n=6}
_{Memory used}	_{2,496,230k (± 0.01%)}	_{2,496,475k (± 0.03%)}	_~	_2,495,703k	_2,497,440k	_{p=1.000 n=6}
_{Parse Time}	_{5.38s (± 0.92%)}	_{5.40s (± 0.68%)}	_~	_5.34s	_5.45s	_{p=0.335 n=6}
_{Bind Time}	_{1.74s (± 0.47%)}	_{1.74s (± 0.32%)}	_~	_1.73s	_1.74s	_{p=0.859 n=6}
_{Check Time}	_{35.85s (± 0.33%)}	_{35.83s (± 0.15%)}	_~	_35.73s	_35.88s	_{p=1.000 n=6}
_{Emit Time}	_{3.02s (± 1.49%)}	_{3.01s (± 1.79%)}	_~	_2.94s	_3.10s	_{p=0.470 n=6}
_{Total Time}	_{45.99s (± 0.39%)}	_{45.98s (± 0.20%)}	_~	_45.88s	_46.08s	_{p=1.000 n=6}
_{self-compiler - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_261,789	_261,753	_{-36 (- 0.01%)}	_~	_~	_{p=0.001 n=6}
_Types	_106,511	_106,477	_{-34 (- 0.03%)}	_~	_~	_{p=0.001 n=6}
_{Memory used}	_{438,818k (± 0.01%)}	_{438,702k (± 0.02%)}	_{-116k (- 0.03%)}	_438,565k	_438,743k	_{p=0.008 n=6}
_{Parse Time}	_{3.52s (± 0.91%)}	_{3.50s (± 1.12%)}	_~	_3.46s	_3.57s	_{p=0.419 n=6}
_{Bind Time}	_{1.30s (± 0.64%)}	_{1.32s (± 1.66%)}	_~	_1.30s	_1.36s	_{p=0.128 n=6}
_{Check Time}	_{18.85s (± 0.50%)}	_{18.86s (± 0.24%)}	_~	_18.80s	_18.90s	_{p=0.686 n=6}
_{Emit Time}	_{1.54s (± 1.82%)}	_{1.53s (± 1.04%)}	_~	_1.50s	_1.54s	_{p=0.114 n=6}
_{Total Time}	_{25.22s (± 0.31%)}	_{25.21s (± 0.24%)}	_~	_25.16s	_25.33s	_{p=0.810 n=6}
_{ts-pre-modules - node (v18.15.0, x64)}
_Errors	₆₈	₆₈	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_225,919	_225,919	_~	_~	_~	_{p=1.000 n=6}
_Types	_94,415	_94,415	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{371,094k (± 0.01%)}	_{371,080k (± 0.01%)}	_~	_371,056k	_371,125k	_{p=0.173 n=6}
_{Parse Time}	_{2.90s (± 1.37%)}	_{2.90s (± 1.35%)}	_~	_2.84s	_2.95s	_{p=0.936 n=6}
_{Bind Time}	_{1.58s (± 1.68%)}	_{1.60s (± 0.68%)}	_~	_1.58s	_1.61s	_{p=0.145 n=6}
_{Check Time}	_{16.38s (± 0.36%)}	_{16.39s (± 0.28%)}	_~	_16.30s	_16.43s	_{p=0.335 n=6}
_{Emit Time}	_0.00s	_0.00s	_~	_~	_~	_{p=1.000 n=6}
_{Total Time}	_{20.86s (± 0.34%)}	_{20.89s (± 0.21%)}	_~	_20.84s	_20.94s	_{p=0.333 n=6}
_{vscode - node (v18.15.0, x64)}
_Errors	₃	₃	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_3,126,375	_3,126,375	_~	_~	_~	_{p=1.000 n=6}
_Types	_1,077,686	_1,077,686	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{3,218,522k (± 0.01%)}	_{3,218,284k (± 0.01%)}	_~	_3,217,889k	_3,218,838k	_{p=0.471 n=6}
_{Parse Time}	_{14.13s (± 0.31%)}	_{14.10s (± 0.16%)}	_~	_14.08s	_14.13s	_{p=0.146 n=6}
_{Bind Time}	_{4.47s (± 0.24%)}	_{4.47s (± 0.31%)}	_~	_4.45s	_4.49s	_{p=0.504 n=6}
_{Check Time}	_{86.70s (± 2.31%)}	_{85.38s (± 1.62%)}	_~	_83.82s	_87.94s	_{p=0.298 n=6}
_{Emit Time}	_{26.91s (± 3.42%)}	_{26.73s (± 4.48%)}	_~	_25.03s	_28.46s	_{p=0.574 n=6}
_{Total Time}	_{132.21s (± 1.80%)}	_{130.67s (± 1.29%)}	_~	_128.87s	_133.44s	_{p=0.298 n=6}
_{webpack - node (v18.15.0, x64)}
_Errors	₀	₀	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_286,375	_286,375	_~	_~	_~	_{p=1.000 n=6}
_Types	_116,078	_116,078	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{437,033k (± 0.01%)}	_{437,189k (± 0.03%)}	_{+156k (+ 0.04%)}	_437,003k	_437,335k	_{p=0.031 n=6}
_{Parse Time}	_{5.05s (± 1.22%)}	_{5.05s (± 1.05%)}	_~	_4.98s	_5.10s	_{p=0.872 n=6}
_{Bind Time}	_{2.16s (± 1.29%)}	_{2.18s (± 1.31%)}	_~	_2.15s	_2.23s	_{p=0.625 n=6}
_{Check Time}	_{22.88s (± 0.30%)}	_{22.98s (± 0.58%)}	_~	_22.77s	_23.10s	_{p=0.199 n=6}
_{Emit Time}	_0.00s	_0.00s	_~	_~	_~	_{p=1.000 n=6}
_{Total Time}	_{30.10s (± 0.39%)}	_{30.21s (± 0.53%)}	_~	_30.01s	_30.35s	_{p=0.172 n=6}
_{xstate-main - node (v18.15.0, x64)}
_Errors	₃	₃	_~	_~	_~	_{p=1.000 n=6}
_Symbols	_543,130	_543,130	_~	_~	_~	_{p=1.000 n=6}
_Types	_181,889	_181,889	_~	_~	_~	_{p=1.000 n=6}
_{Memory used}	_{485,509k (± 0.01%)}	_{485,527k (± 0.01%)}	_~	_485,479k	_485,564k	_{p=0.378 n=6}
_{Parse Time}	_{4.17s (± 1.00%)}	_{4.17s (± 0.25%)}	_~	_4.15s	_4.18s	_{p=0.807 n=6}
_{Bind Time}	_{1.46s (± 1.14%)}	_{1.45s (± 1.07%)}	_~	_1.43s	_1.47s	_{p=0.282 n=6}
_{Check Time}	_{23.70s (± 0.29%)}	_{23.69s (± 0.32%)}	_~	_23.60s	_23.81s	_{p=0.687 n=6}
_{Emit Time}	_0.00s	_0.00s	_~	_~	_~	_{p=1.000 n=6}
_{Total Time}	_{29.34s (± 0.28%)}	_{29.30s (± 0.28%)}	_~	_29.23s	_29.45s	_{p=0.378 n=6}

System info unknown

Hosts

node (v18.15.0, x64)

Scenarios

Compiler-Unions - node (v18.15.0, x64)
angular-1 - node (v18.15.0, x64)
mui-docs - node (v18.15.0, x64)
self-build-src - node (v18.15.0, x64)
self-build-src-public-api - node (v18.15.0, x64)
self-compiler - node (v18.15.0, x64)
ts-pre-modules - node (v18.15.0, x64)
vscode - node (v18.15.0, x64)
webpack - node (v18.15.0, x64)
xstate-main - node (v18.15.0, x64)

_Benchmark	_Name	_Iterations
_Current	_pr	₆
_Baseline	_baseline	₆

Developer Information:

Download Benchmarks

typescript-bot · 2024-10-22T19:00:59Z

@jakebailey Here are the results of running the top 400 repos with tsc comparing main and refs/pull/60321/merge:

Everything looks good!

Error on too many parameters for iterator method

1a37aef

rbuckton requested review from gabritto and jakebailey October 22, 2024 16:55

typescript-bot assigned rbuckton Oct 22, 2024

typescript-bot added Author: Team For Milestone Bug PRs that fix a bug with a specific milestone labels Oct 22, 2024

formatting

96c1bde

gabritto approved these changes Oct 22, 2024

View reviewed changes

jakebailey approved these changes Oct 22, 2024

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rbuckton merged commit e25abe3 into main Oct 22, 2024

rbuckton deleted the fix57130 branch October 22, 2024 20:01

sandersn removed this from PR Backlog Apr 22, 2025

Andarist mentioned this pull request Jun 5, 2025

Port "Error on too many parameters for iterator method" microsoft/typescript-go#1059

Merged

andrewbranch mentioned this pull request Jun 6, 2025

Port #60321 andrewbranch/typescript-go#14

Open

Copilot AI mentioned this pull request Jun 6, 2025

Port TypeScript PR #60321: Error on too many parameters for iterator method andrewbranch/typescript-go#16

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