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; REQUIRES: x86
; Tests that we suggest that LTO symbols missing from an archive index
; may be the cause of undefined references, but only if we both
; encountered an empty archive index and undefined references (to prevent
; noisy false alarms).
; RUN: rm -fr %T/archive-no-index
; RUN: mkdir %T/archive-no-index
; RUN: llvm-as %S/Inputs/archive.ll -o %T/archive-no-index/f.o
; RUN: llvm-ar cr %T/archive-no-index/libf.a
; RUN: llvm-ar qS %T/archive-no-index/libf.a %T/archive-no-index/f.o
; RUN: llvm-as %s -o %t.o
; RUN: not ld.lld -emain -m elf_x86_64 %t.o -o %t %T/archive-no-index/libf.a \
; RUN: 2>&1 | FileCheck --check-prefix=NOTE %s
; RUN: llvm-ar crs %T/archive-no-index/libfs.a %T/archive-no-index/f.o
; RUN: ld.lld -emain -m elf_x86_64 %t.o -o %t %T/archive-no-index/libf.a \
; RUN: %T/archive-no-index/libfs.a
; RUN: llvm-as %S/Inputs/archive-3.ll -o %T/archive-no-index/foo.o
; RUN: llvm-ar crs %T/archive-no-index/libfoo.a %T/archive-no-index/foo.o
; RUN: not ld.lld -emain -m elf_x86_64 %t.o -o %t %T/archive-no-index/libfoo.a \
; RUN: 2>&1 | FileCheck --check-prefix=NO-NOTE %s
; NOTE: undefined symbol: f
; NOTE: archive listed no symbols
; NO-NOTE: undefined symbol: f
; NO-NOTE-NOT: archive listed no symbols
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare void @f()
define i32 @main() {
call void @f()
ret i32 0
}
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