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[Demangler] Null-check a pointer before using it in arithmetic #34321

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Merged
merged 1 commit into from
Oct 15, 2020
Merged

[Demangler] Null-check a pointer before using it in arithmetic #34321

merged 1 commit into from
Oct 15, 2020

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vedantk
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@vedantk vedantk commented Oct 15, 2020

This addresses a UBSan -fsanitize=null diagnostic seen when compiling
the stdlib:

runtime error: applying non-zero offset 128 to null pointer

@vedantk
[Demangler] Null-check a pointer before using it in arithmetic
7145afb 
This addresses a UBSan -fsanitize=null diagnostic seen when compiling
the stdlib:

runtime error: applying non-zero offset 128 to null pointer
@vedantk
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vedantk commented Oct 15, 2020

@swift-ci smoke test and merge

@swift-ci swift-ci merged commit cab7f94 into swiftlang:main Oct 15, 2020
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