dillon1000/react

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Increase precision in InferMutableRangesForAlias

Previously, this step just set the mutable range of any alias set including any 

mutation to the end of the last mutable range of any of the containing 
identifiers. 

This change makes it so that the ends are only updated of the ranges that end 

before the last mutation. 

Fixes #852
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Jan Kassens authored 255700e2cdc5d66cb4158a136f9964b434352d55 Parent 748992d
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M compiler/forget/src/HIR/InferMutableRangesForAlias.ts ModifiedM compiler/forget/src/__tests__/fixtures/hir/component.expect.md ModifiedA compiler/forget/src/__tests__/fixtures/hir/issue852.expect.md AddedA compiler/forget/src/__tests__/fixtures/hir/issue852.js AddedM compiler/forget/src/__tests__/fixtures/hir/ssa-complex-multiple-if.expect.md ModifiedM compiler/forget/src/__tests__/fixtures/hir/ssa-complex-single-if.expect.md ModifiedM compiler/forget/src/__tests__/fixtures/hir/ssa-simple-phi.expect.md ModifiedM compiler/forget/src/__tests__/fixtures/hir/ssa-switch.expect.md ModifiedM compiler/forget/src/__tests__/fixtures/hir/switch-non-final-default.expect.md ModifiedM compiler/forget/src/__tests__/fixtures/hir/switch.expect.md Modified
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