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mold/test/elf/gnu-unique.sh

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#!/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)/mold"
t=out/test/elf/$testname
mkdir -p $t
which g++ >& /dev/null || { echo skipped; exit; }
cat <<EOF | g++ -o $t/a.o -c -std=c++17 -fno-gnu-unique -xc++ -
inline int foo = 5;
int bar() { return foo; }
EOF
cat <<EOF | g++ -o $t/b.o -c -std=c++17 -fgnu-unique -xc++ -
#include <stdio.h>
inline int foo = 5;
int main() {
printf("foo=%d\n", foo);
}
EOF
$CC -B. -o $t/exe $t/a.o $t/b.o
$t/exe | grep -q 'foo=5'
echo OK