llvm-project

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# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %s -o %t.o
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# RUN: %lld %t.o -lSystem -o %t.out
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# RUN: llvm-readobj --syms %t.out | FileCheck %s
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## ld64 has a "TEMP work around until <rdar://problem/7702923> goes in"
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## that promotes PrivateExtern ReferencedDynamically symbols in dylibs to
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## normal Externs. lld does not do this.
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# RUN: %lld -dylib %t.o -o %t.dylib
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# RUN: llvm-readobj --syms %t.dylib | FileCheck %s
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# CHECK:         Name: ___crashreporter_info__
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# CHECK-NEXT:    PrivateExtern
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# CHECK-NEXT:    Type: Section (0xE)
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# CHECK-NEXT:    Section: __common
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# CHECK-NEXT:    RefType: UndefinedNonLazy (0x0)
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# CHECK-NEXT:    Flags [ (0x10)
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# CHECK-NEXT:      ReferencedDynamically (0x10)
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# CHECK-NEXT:    ]
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## Reduced from lib/Support/PrettyStackTrace.cpp
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.section __TEXT,__text,regular,pure_instructions
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.globl _main
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_main:
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  ret
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## .private_extern matches what PrettyStackTrace.cpp does, but it makes
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## the ReferencedDynamically pointless: https://reviews.llvm.org/D27683#2763729
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.private_extern ___crashreporter_info__
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.globl ___crashreporter_info__
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.desc ___crashreporter_info__,16
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.zerofill __DATA,__common,___crashreporter_info__,8,3
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.subsections_via_symbols
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