make to compile on Xenix

diff --git a/mach/proto/ncg/subr.c b/mach/proto/ncg/subr.c
index ca15509..0f2905d 100644 (file)
--- a/mach/proto/ncg/subr.c
+++ b/mach/proto/ncg/subr.c
@@ -559,8 +559,15 @@ unsigned stackupto(limit,ply,toplevel) token_p limit; {
                                        nallreg=0;
                                totalcost+= codegen(&coderules[cp->c1_codep],ply,toplevel,MAXINT,0);
                                tokpatlen = tpl;
-                               for (i=0;i<diff;i++)
-                                       fakestack[stackheight++] = savestack[i];
+                               for (i=0;i<diff;i++) {
+                                       fakestack[stackheight] = savestack[i];
+                                       stackheight++;
+                                       /* not cobmined in one statement;
+                                          this poor Xenix C compiler sometimes
+                                          gets failed assertions when you do
+                                          that!
+                                       */
+                               }
                                nallreg=nareg;
                                for (i=0;i<nareg;i++)
                                        allreg[i] = areg[i];