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When missing an extern "C" declaration, an undefined reference may be mangled while the definition is not. Suggest the missing extern "C" and the base name. Reviewed By: ruiu Differential Revision: https://reviews.llvm.org/D69592
20 lines
738 B
ArmAsm
20 lines
738 B
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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## The reference is mangled while the definition is not, suggest a missing
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## extern "C".
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# RUN: echo 'call _Z3fooi' | llvm-mc -filetype=obj -triple=x86_64 - -o %t1.o
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# RUN: not ld.lld %t.o %t1.o -o /dev/null 2>&1 | FileCheck %s
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# CHECK: error: undefined symbol: foo(int)
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# CHECK-NEXT: >>> referenced by {{.*}}
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# CHECK-NEXT: >>> did you mean: extern "C" foo
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## Don't suggest for nested names like F::foo() and foo::foo().
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# RUN: echo 'call _ZN1F3fooEv; call _ZN3fooC1Ev' | llvm-mc -filetype=obj -triple=x86_64 - -o %t2.o
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# RUN: not ld.lld %t.o %t2.o -o /dev/null 2>&1 | FileCheck /dev/null --implicit-check-not='did you mean'
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.globl _start, foo
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_start:
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foo:
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