do not include already parsed, space-separated -I/-L/-Wl,* flags

Signed-off-by: Harmen Stoppels <me@harmenstoppels.nl>

Author: haampie

cc.sh

@@ -956,13 +956,16 @@ case "$mode" in
         eval "_frandom_seed_input=\${SPACK_${comp}_HAS_FRANDOM_SEED:-}"
         if [ -n "$_frandom_seed_input" ]; then
             _frandom_seed_input=""
-            for arg in "$@"; do
+            setsep other_args_list
+            [ "$sep" != " " ] && IFS="$sep"
+            for arg in $other_args_list; do
                 case "$arg" in
                     -frandom-seed=*) _frandom_seed_input=; break ;;
                     -*|*.o|*.so|*.dylib|*.a) ;;
                     *) _frandom_seed_input="${_frandom_seed_input}${arg}" ;;
                 esac
             done
+            unset IFS
             if [ -n "$_frandom_seed_input" ]; then
                 append full_command_list "-frandom-seed=$_frandom_seed_input"
             fi

test/run.sh

@@ -1029,10 +1029,15 @@ test_frandom_seed_filters_args() {
     wrapper_environment
     SPACK_CC_HAS_FRANDOM_SEED=1; export SPACK_CC_HAS_FRANDOM_SEED
 
-    # cc mode: -frandom-seed should contain only source files, concatenated
+    # cc mode: -frandom-seed should contain only source files, concatenated.
+    # Includes space-separated path flags to verify their values do not leak.
     _out=$(dump_args cc '-c
 -O2
 -I/some/include
+-isystem
+/some/sys
+-L
+/some/lib
 hello.c
 world.c
 foo.o