"and -ftree-loop-linear)");
#endif
+ if (flag_mudflap && flag_lto)
+ sorry ("mudflap cannot be used together with link-time optimization");
+
/* One region RA really helps to decrease the code size. */
if (flag_ira_region == IRA_REGION_AUTODETECT)
flag_ira_region
= optimize_size || !optimize ? IRA_REGION_ONE : IRA_REGION_MIXED;
+ if (flag_strict_volatile_bitfields > 0 && !abi_version_at_least (2))
+ {
+ warning (0, "-fstrict-volatile-bitfields disabled; "
+ "it is incompatible with ABI versions < 2");
+ flag_strict_volatile_bitfields = 0;
+ }
+
/* Unrolling all loops implies that standard loop unrolling must also
be done. */
if (flag_unroll_all_loops)