1; Verify that the -u / --undefined option is able to pull in symbols from 2; an archive, and doesn't error when uses to pull in a symbol already loaded. 3; 4; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret64.s -o %t.o 5; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/ret32.s -o %t2.o 6; RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/start.s -o %t.start.o 7; RUN: rm -f %t2.a 8; RUN: llvm-ar rcs %t2.a %t2.o 9; RUN: wasm-ld %t.start.o --no-gc-sections %t2.a %t.o -o %t.wasm -u ret32 --undefined ret64 10; RUN: obj2yaml %t.wasm | FileCheck %s 11; RUN: wasm-ld %t.start.o --no-gc-sections %t2.a %t.o -o %t2.wasm 12; RUN: obj2yaml %t2.wasm | FileCheck %s -check-prefix=NO-LOAD 13 14; CHECK: Name: name 15; CHECK-NEXT: FunctionNames: 16; CHECK-NEXT: - Index: 0 17; CHECK-NEXT: Name: __wasm_call_ctors 18; CHECK-NEXT: - Index: 1 19; CHECK-NEXT: Name: _start 20; CHECK-NEXT: - Index: 2 21; CHECK-NEXT: Name: ret64 22; CHECK-NEXT: - Index: 3 23; CHECK-NEXT: Name: ret32 24; CHECK-NEXT: GlobalNames: 25; CHECK-NEXT: - Index: 0 26; CHECK-NEXT: Name: __stack_pointer 27; CHECK-NEXT: ... 28 29; NO-LOAD: Name: name 30; NO-LOAD-NEXT: FunctionNames: 31; NO-LOAD-NEXT: - Index: 0 32; NO-LOAD-NEXT: Name: __wasm_call_ctors 33; NO-LOAD-NEXT: - Index: 1 34; NO-LOAD-NEXT: Name: _start 35; NO-LOAD-NEXT: - Index: 2 36; NO-LOAD-NEXT: Name: ret64 37; NO-LOAD-NEXT: GlobalNames: 38; NO-LOAD-NEXT: - Index: 0 39; NO-LOAD-NEXT: Name: __stack_pointer 40; NO-LOAD-NEXT: ... 41 42; Verify that referencing a symbol that is not found doesn't result in a link 43; failure. This matches the behaviour of the ELF linker. 44; RUN: wasm-ld %t.start.o -o %t.wasm -u symboldoesnotexist 45