; Verify that the -u / --undefined option is able to pull in symbols from
; an archive, and doesn't error when uses to pull in a symbol already loaded.
;
; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret64.s -o %t.o
; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret32.s -o %t2.o
; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/start.s -o %t.start.o
; RUN: rm -f %t2.a
; RUN: llvm-ar rcs %t2.a %t2.o
; RUN: wasm-ld %t.start.o --no-gc-sections %t2.a %t.o -o %t.wasm -u ret32 --undefined ret64
; RUN: obj2yaml %t.wasm | FileCheck %s
; RUN: wasm-ld %t.start.o --no-gc-sections %t2.a %t.o -o %t2.wasm
; RUN: obj2yaml %t2.wasm | FileCheck %s -check-prefix=NO-LOAD

; CHECK:         Name:            name
; CHECK-NEXT:    FunctionNames:   
; CHECK-NEXT:      - Index:           0
; CHECK-NEXT:        Name:            __wasm_call_ctors
; CHECK-NEXT:      - Index:           1
; CHECK-NEXT:        Name:            _start
; CHECK-NEXT:      - Index:           2
; CHECK-NEXT:        Name:            ret64
; CHECK-NEXT:      - Index:           3
; CHECK-NEXT:        Name:            ret32
; CHECK-NEXT:     GlobalNames:
; CHECK-NEXT:       - Index:           0
; CHECK-NEXT:         Name:            __stack_pointer
; CHECK-NEXT: ...

; NO-LOAD:         Name:            name
; NO-LOAD-NEXT:    FunctionNames:   
; NO-LOAD-NEXT:      - Index:           0
; NO-LOAD-NEXT:        Name:            __wasm_call_ctors
; NO-LOAD-NEXT:      - Index:           1
; NO-LOAD-NEXT:        Name:            _start
; NO-LOAD-NEXT:      - Index:           2
; NO-LOAD-NEXT:        Name:            ret64
; NO-LOAD-NEXT:     GlobalNames:
; NO-LOAD-NEXT:       - Index:           0
; NO-LOAD-NEXT:         Name:            __stack_pointer
; NO-LOAD-NEXT: ...

; Verify that referencing a symbol that is not found doesn't result in a link
; failure.  This matches the behaviour of the ELF linker.
; RUN: wasm-ld %t.start.o -o %t.wasm -u symboldoesnotexist