2017-05-09 09:12 UTC+0200 Przemyslaw Czerpak (druzus/at/poczta.onet.pl)

* contrib/hbct/charswap.c
  * contrib/hbct/token1.c
  * contrib/hbnetio/netiosrv.c
  * contrib/hbssl/ssl_sock.c
  * contrib/rddads/ads1.c
  * include/hbexprb.c
  * src/common/hbprintf.c
  * src/compiler/cmdcheck.c
  * src/compiler/complex.c
  * src/compiler/gencc.c
  * src/compiler/hbmain.c
  * src/compiler/hbopt.c
  * src/pp/ppcore.c
  * src/rdd/dbf1.c
  * src/rdd/dbfcdx/dbfcdx1.c
  * src/rdd/dbffpt/dbffpt1.c
  * src/rdd/dbfntx/dbfntx1.c
  * src/rdd/hsx/hsx.c
  * src/rdd/workarea.c
  * src/rtl/dates.c
  * src/rtl/gtclip.c
  * src/rtl/gtwin/gtwin.c
  * src/rtl/gtwvt/gtwvt.c
  * src/rtl/hbgtcore.c
  * src/rtl/itemseri.c
  * src/rtl/strtoexp.c
  * src/vm/classes.c
  * src/vm/task.c
    * added and verified (following Viktor's patch)
      /* fallthrough */ comment for GCC >= 7.
    ; I haven't found any errors in existing code.
      /cc @vszakats

  * src/rdd/dbf1.c
    * minor improvement in dbf1.c

src/common/hbprintf.c

@@ -949,7 +949,7 @@ int hb_printf_params( const char * format )
                      format += 2;
                      c = *format++;
                   }
-                  /* no break; */
+                  /* fallthrough */
                default:
                   break;
             }
@@ -1195,7 +1195,7 @@ int hb_vsnprintf( char * buffer, size_t bufsize, const char * format, va_list ap
                         format += 2;
                         c = *format++;
                      }
-                     /* no break; */
+                     /* fallthrough */
                   default:
                      length = _L_UNDEF_;
                      break;
@@ -1215,7 +1215,7 @@ int hb_vsnprintf( char * buffer, size_t bufsize, const char * format, va_list ap
                       * valid parameters order
                       */
                      c = ( c == 'a' || c == 'e' || c == 'g' ) ? 'f' : 'F';
-                     /* no break; */
+                     /* fallthrough */
                   case 'f':   /* double decimal notation */
                   case 'F':   /* double decimal notation */
                      if( length == _L_LONGDOUBLE_ )