spontaneous temp defs need to have their users incremented when an

assignment is part of a sub expression

tools/qfcc/include/qfcc.h

@@ -317,6 +317,7 @@ typedef struct def_s {
 	unsigned		removed:1;		// already removed from the symbol table
 	unsigned		used:1;			// unused local detection
 	unsigned		absolute:1;		// don't relocate (for temps for shorts)
+	unsigned		managed:1;		// managed temp
 	string_t		file;			// source file
 	int				line;			// source line
 

tools/qfcc/source/emit.c

@@ -268,6 +268,8 @@ emit_sub_expr (expr_t *e, def_t *dest)
 			}
 			if (e->e.expr.op == '=' || e->e.expr.op == PAS) {
 				d = emit_assign_expr (e->e.expr.op, e);
+				if (!d->managed)
+					d->users++;
 				break;
 			}
 			if (e->e.expr.e1->type == ex_block
@@ -359,6 +361,7 @@ emit_sub_expr (expr_t *e, def_t *dest)
 					e->e.temp.def = PR_GetTempDef (e->e.temp.type, pr_scope);
 				e->e.temp.def->users = e->e.temp.users;
 				e->e.temp.def->expr = e;
+				e->e.temp.def->managed = 1;
 			}
 			d = e->e.temp.def;
 			break;