mold/test/macho/duplicate-error.sh

#!/bin/bash
export LANG=
set -e
CC="${CC:-cc}"
CXX="${CXX:-c++}"
testname=$(basename "$0" .sh)
echo -n "Testing $testname ... "
cd "$(dirname "$0")"/../..
mold="$(pwd)/ld64.mold"
t=out/test/macho/$testname
mkdir -p $t

cat <<EOF | $CC -o $t/a.o -c -xc -
void hello() {}
EOF

cat <<EOF | $CC -o $t/b.o -c -xc -
void hello() {}
int main() {}
EOF

! clang -fuse-ld="$mold" -o $t/exe $t/a.o $t/b.o 2> $t/log || false
grep -q 'duplicate symbol: .*/b.o: .*/a.o: _hello' $t/log

echo OK