Widen acceptance window of T12545 (#19414)

This test flip-flops by +-1% in arbitrary changes in CI. While playing around with -dunique-increment, I could reproduce variations of 3% in compiler allocations, so I set the acceptance window accordingly.

Fixes #19414 (closed).

approved this merge request

assigned to @marge-bot

added 20 commits

• 591f45b5...4a9d856d - 19 commits from branch master
• 1fb35198 - Widen acceptance window of T12545 (#19414 (closed))

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added 6 commits

• 1fb35198...10e115d3 - 5 commits from branch master
• d9f6c159 - Widen acceptance window of T12545 (#19414 (closed))

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added 2 commits

• bc12e7ec - 1 commit from branch master
• 9bbcc0b2 - Widen acceptance window of T12545 (#19414 (closed))

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mentioned in merge request !5061 (closed)

added 19 commits

• 9bbcc0b2...157fe938 - 18 commits from branch master
• 0c60f420 - Widen acceptance window of T12545 (#19414 (closed))

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I will attempt to batch this MR (!5132 (closed))...

Merged in 856929a5

closed

mentioned in issue #19293 (closed)