lld/test/ELF/undef-suggest-extern-c2.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   3
   4 ## The definition is mangled while the reference is not, suggest an arbitrary
   5 ## C++ overload.
   6 # RUN: echo '.globl _Z3fooi; _Z3fooi:' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
   7 # RUN: not ld.lld %t.o %t1.o -o /dev/null 2>&1 | FileCheck %s
   8
   9 ## Check that we can suggest a local definition.
  10 # RUN: echo '_Z3fooi: call foo' | llvm-mc -filetype=obj -triple=x86_64 - -o %t2.o
  11 # RUN: not ld.lld %t2.o -o /dev/null 2>&1 | FileCheck %s
  12
  13 # CHECK:      error: undefined symbol: foo
  14 # CHECK-NEXT: >>> referenced by {{.*}}
  15 # CHECK-NEXT: >>> did you mean to declare foo(int) as extern "C"?
  16
  17 ## Don't suggest nested names whose base name is "foo", e.g. F::foo().
  18 # RUN: echo '.globl _ZN1F3fooEv; _ZN1F3fooEv:' | llvm-mc -filetype=obj -triple=x86_64 - -o %t3.o
  19 # RUN: not ld.lld %t.o %t3.o -o /dev/null 2>&1 | FileCheck /dev/null --implicit-check-not='did you mean'
  20
  21 call foo