Remve unreachable code for -opt, minor bugfix. (#135)

cmd/konanc

@@ -9,6 +9,7 @@ fi
 declare -a java_args
 declare -a konan_args
 declare -a clang_args
+declare -a clang_opt_args
 
 while [ $# -gt 0 ]; do
   case "$1" in
@@ -21,7 +22,7 @@ while [ $# -gt 0 ]; do
       shift
       ;;
     -library)
-      clang_args=("${libraries[@]}" "$2")
+      clang_args=("${clang_args[@]}" "${libraries[@]}" "$2")
       konan_args=("${konan_args[@]}" "$1" "$2")
       shift
       shift
@@ -54,6 +55,8 @@ while [ $# -gt 0 ]; do
   esac
 done
 
+# TODO: support -opt on Linux hosts as well.
+clang_opt_args=("-O3" "-flto" "-Wl,-dead_strip")
 
 [ -n "$KONAN_COMPILER" ] || KONAN_COMPILER=org.jetbrains.kotlin.cli.bc.K2NativeKt
 [ -n "$JAVACMD" ] || JAVACMD=java
@@ -136,10 +139,9 @@ CLANG="$CLANG_BIN_PATH/clang"
 # TODO: Compilation without stdlib.kt.bc doesn't work because 'start' requires stdlib, for example.
 # Probably, we need a .klib compilation mode.
 # [ -z $NOSTDLIB ] && clang_args=($STDLIB "${clang_args[@]}")
-[ "$OPTIMIZE" == "YES" ] && clang_args=("-flto -O3 ${clang_args[@]}")
+[ "$OPTIMIZE" == "YES" ] && clang_args=("${clang_opt_args[@]} ${clang_args[@]}")
 clang_args=($STDLIB "${clang_args[@]}")
 clang_args=($LAUNCHER $START $RUNTIME "${clang_args[@]}")
 clang_args=("${clang_args[@]} $CLANG_PLATFORM_ARGS")
 
 $CLANG $KTBC_NAME -o $OUTPUT_NAME ${clang_args[@]}
-