[SR-14335] Assertion `equivalent && "TypeSystemSwiftTypeRef diverges from SwiftASTContext"' failed

[hassila]

Previous ID	SR-14335
Radar	rdar://problem/75323642
Original Reporter	@hassila
Type	Bug

Environment

Swift version 5.4-dev (LLVM d28e4b9, Swift d378e707988c0ef)
swiftdev 5.8.0-44-generic #50~20.04.1-Ubuntu SMP Wed Feb 10 21:07:30 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

Additional Detail from JIRA

Votes	0
Component/s	LLDB for Swift
Labels	Bug
Assignee	@adrian-prantl
Priority	Medium

md5: 709d8da8ed693633d5356ce07dbc3cec

relates to:

• SR-14303 Assertion failed in TypeSystemSwiftTypeRef.cpp when running 'thread list'/'fr v' crashing lldb on Linux
• SR-14336 equivalent && "TypeSystemSwiftTypeRef diverges from SwiftASTContext part 2

Issue Description:

Process 29603 stopped

• thread [lldb][NFC] Actually test which method we call in TestCallOverriddenMethod #2, name = 'NIO-ELT-0-#0', stop reason = breakpoint 1.1

  frame #0: 0x000055555561586d NIOPerformanceTester`Uring.io_uring_peek_batch_cqe(events=0 values, self=0x00007ffff0001700) at Linux.swift:250:75 [opt]

247 currentCqeCount = CNIOLinux_io_uring_peek_batch_cqe(&ring, cqes, UInt32(cqeCount));

248 for i in 0 ..< currentCqeCount

249 {

-> 250 let bitPattern : UInt = UInt(bitPattern:io_uring_cqe_get_data(cqes[Intℹ]))

251 let fd = Int(bitPattern & 0x00000000FFFFFFFF)

252 let poll_mask = Int(bitPattern >> 32) // shift out the fd

253 print("io_uring_peek_batch_cqe bitPattern[" + String(bitPattern).decimalToHexa + "] bit[(bitPattern)] fd[(fd)] i[(i)] poll_mask[(poll_mask)] currentCqeCount[(currentCqeCount)] cqes[Intℹ][(String(describing:cqes[Intℹ]))]")

Target 0: (NIOPerformanceTester) stopped.

(lldb) fr v

TypeSystemSwiftTypeRef diverges from SwiftASTContext: $sSPys6UInt32VGD != $sSpys6UInt32VGXSqD

failing type was $sSo11io_uring_sqVD

lldb: /home/build-user/llvm-project/lldb/source/Plugins/TypeSystem/Swift/TypeSystemSwiftTypeRef.cpp:2539: virtual lldb_private::CompilerType lldb_private::TypeSystemSwiftTypeRef::GetChildCompilerTypeAtIndex(lldb::opaque_compiler_type_t, lldb_private::ExecutionContext *, size_t, bool, bool, bool, std::string &, uint32_t &, int32_t &, uint32_t &, uint32_t &, bool &, bool &, lldb_private::ValueObject *, uint64_t &): Assertion `equivalent && "TypeSystemSwiftTypeRef diverges from SwiftASTContext"' failed.

PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace.

Stack dump:

0. Program arguments: lldb .build/x86_64-unknown-linux-gnu/release/NIOPerformanceTester

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[weissi]

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