> on 2020/12/24 下午6:10, Jonathan Wakely wrote: > On Thu, 24 Dec 2020, 08:50 Kewen.Lin via Gcc-help, <gcc-help@xxxxxxxxxxx <mailto:gcc-help@xxxxxxxxxxx>> wrote: > > Hi Qingnan, > > on 2020/12/24 上午11:23, Qingnan Duan via Gcc-help wrote: > > Hi everyone, > > I was looking at this page Instrumentation Options (Using the GNU Compiler Collection (GCC))<https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html <https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html>> and it says "-fsanitize=address" is only supported on AArch64. However, I was able to compile my code on x86-64 CPU with -fsanitize=address flag. > > > > I think the part "Note that the only target this option is currently supported on is AArch64. " > is specific for option “-fsanitize=hwaddress” not for option "-fsanitize=address". > > Only aarch64 port re-defines TARGET_MEMTAG_CAN_TAG_ADDRESSES which is used for -fsanitize=hwaddress, > that matches the wordings. > > By the way, I also felt a bit confused without digging, not sure whether it's confusing from > native speaker's perspective. If yes, maybe it's worth to revise it somehow. :) > > > Yes, the documentation should be fixed. As currently written it's incorrect. > > Could you please file a bug? > Hi Jonathan, Thanks for confirming this. PR98437 was opened as you suggested. BR, Kewen
