workaround for gcc 2.95.3 bug

anybody knows how to distinguish 2.95.3 from 2.95.4 (which is ok) ?

workaround for gcc 2.95.3 bug
anybody knows how to distinguish 2.95.3 from 2.95.4 (which is ok) ?
b511996f · serg@serg.mylan · 04bd8c9a · b511996f
Commit b511996f authored Jun 25, 2004 by serg@serg.mylan
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sql/opt_range.cc sql/opt_range.cc +3 -0

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--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -716,6 +716,9 @@ int SQL_SELECT::test_quick_select(THD *thd, key_map keys_to_use,
 	     key++,idx++)
 	{
 	  ha_rows found_records;
+#if defined(__GNUC__) && (__GNUC__ == 2 && __GNUC_MINOR__ == 95) && defined(__OPTIMIZE__)
+          volatile // gcc 2.95.3 bug in -O3 mode
+#endif
 	  double found_read_time;
 	  if (*key)
 	  {