Don't allow to call subroutines that aren't actual functions.

git-svn-id: svn://svn.cc65.org/cc65/trunk@3994 b7a2c559-68d2-44c3-8de9-860c34a00d81

src/cc65/codeseg.c

@@ -375,6 +375,12 @@ static CodeEntry* ParseInsn (CodeSeg* S, LineInfo* LI, const char* L)
 		} else if (GetZPInfo(Arg) != 0) {
 		    AM = AM65_ZP;
 		} else {
+                    /* Check for subroutine call to local label */
+                    if ((OPC->Info & OF_CALL) && IsLocalLabelName (Arg)) {
+                        Error ("ASM code error: "
+                               "Cannot use local label `%s' in subroutine call",
+                               Arg);
+                    }
 		    AM = AM65_ABS;
 		}
 	    } else if (*L == ',') {