* lib/gdb.exp: Skip CHILL for AIX.

gdb/testsuite/lib/gdb.exp

@@ -554,5 +554,10 @@ if ![info exists argv0] then {
 }
 
 proc skip_chill_tests {} {
-    return ![isnative]
+    # For crosses, the CHILL runtime doesn't build because it can't find
+    # setjmp.h, stdio.h, etc.
+    # For AIX (as of 16 Mar 95), (a) there is no language code for
+    # CHILL in output_epilog in gcc/config/rs6000/rs6000.c, (b) collect2
+    # does not get along with AIX's too-clever linker.
+    return ![isnative] || [istarget "*-*-aix*"]
 }