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[SR-436] Parse failure that shouldn’t be #43053

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dabrahams opened this issue Jan 1, 2016 · 2 comments
Open

[SR-436] Parse failure that shouldn’t be #43053

dabrahams opened this issue Jan 1, 2016 · 2 comments
Labels
bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler itself parser Area → compiler: The legacy C++ parser

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@dabrahams
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Previous ID SR-436
Radar None
Original Reporter @dabrahams
Type Bug
Additional Detail from JIRA
Votes 0
Component/s Compiler
Labels Bug, Parser
Assignee None
Priority Medium

md5: 949afa5de508847771a1512d49cf0f05

Issue Description:

In 16c0d65,

1 as Int16 << 7

yields an “Expected type” failure, but shouldn’t.
@Dante-Broggi
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Interestingly, the provided code still produces the same error in the Xcode 9.4.1 toolchain.

@swift-ci swift-ci transferred this issue from apple/swift-issues Apr 25, 2022
@AnthonyLatsis AnthonyLatsis added the good first issue Good for newcomers label Jun 20, 2022
@AnthonyLatsis
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AnthonyLatsis commented Jun 20, 2022 •
edited
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The problem is that parseTypeIdentifier does an unconditional startsWithLess check for whether to anticipate a generic parameter list. Happens to be a great starter bug.

This was referenced Jul 18, 2022
Closed
Closed
@AnthonyLatsis AnthonyLatsis removed the good first issue Good for newcomers label Jul 31, 2022
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bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler itself parser Area → compiler: The legacy C++ parser
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@dabrahams @AnthonyLatsis @Dante-Broggi