Add a test

test/i386-mergeable-strings.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+set -e
+cd $(dirname $0)
+mold=`pwd`/../mold
+echo -n "Testing $(basename -s .sh $0) ... "
+t=$(pwd)/tmp/$(basename -s .sh $0)
+mkdir -p $t
+
+cat <<'EOF' | cc -o $t/a.o -c -x assembler -m32 -
+  .text
+  .globl main
+main:
+  push $.L.str+3
+  call printf
+  add $4, %esp
+  push $.rodata.str1.1+16
+  call printf
+  add $4, %esp
+  xor %eax, %eax
+  ret
+
+  .section .rodata.str1.1, "aMS", @progbits, 1
+  .string "bar"
+.L.str:
+  .string "xyzHello"
+  .string "foo world\n"
+EOF
+
+clang -m32 -fuse-ld=$mold -static -o $t/exe $t/a.o
+$t/exe | grep -q 'Hello world'
+
+echo OK