xref: /llvm-project/lld/test/MachO/undef-suggest-extern-c.s (revision 82ca390062d11512528e3d357d8d3d7b69477caf)
1# REQUIRES: x86
2# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-macos %s -o %t.o
3
4## The reference is mangled while the definition is not, suggest a missing
5## extern "C".
6# RUN: echo 'call __Z3fooi' | llvm-mc -filetype=obj -triple=x86_64-apple-macos - -o %t1.o
7# RUN: not %lld %t.o %t1.o -demangle -o /dev/null 2>&1 | FileCheck %s
8
9# CHECK:      error: undefined symbol: foo(int)
10# CHECK-NEXT: >>> referenced by {{.*}}
11# CHECK-NEXT: >>> did you mean: extern "C" foo
12
13## Don't suggest for nested names like F::foo() and foo::foo().
14# RUN: echo 'call __ZN1F3fooEv; call __ZN3fooC1Ev' | llvm-mc -filetype=obj -triple=x86_64-apple-macos - -o %t2.o
15# RUN: not ld.lld %t.o %t2.o -o /dev/null 2>&1 | FileCheck /dev/null --implicit-check-not='did you mean'
16
17.globl _start, _foo
18_start:
19_foo:
20