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Ip=[4.158.2.129];\n Helo=[outbound-uk1.az.dlp.m.darktrace.com]","X-MS-Exchange-CrossTenant-AuthSource":"\n AMS0EPF00000196.eurprd05.prod.outlook.com","X-MS-Exchange-CrossTenant-AuthAs":"Anonymous","X-MS-Exchange-CrossTenant-FromEntityHeader":"HybridOnPrem","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list <gcc-patches.gcc.gnu.org>","List-Unsubscribe":"<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>","List-Archive":"<https://gcc.gnu.org/pipermail/gcc-patches/>","List-Post":"<mailto:gcc-patches@gcc.gnu.org>","List-Help":"<mailto:gcc-patches-request@gcc.gnu.org?subject=help>","List-Subscribe":"<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"},"content":"Patches 1-4 are bug fixes.  Patches 5-6 are comment or documentation fixes.\nPatch 7 adds mode transitions to dump output (this can wait till stage 1).\nAll of the patches can be applied independently.\n\nOk for master?  And ok to backport patches 2-6 to GCC 14/15?\n\n\n\n\nThe patch 3 bug has been discovered and reported independently at least three\ntimes that I've seen.  While investigating this (and reading most of the ZA\nmode switching logic in depth), I identified the patch 2 and 4 bugs.  My\noriginal attempt at writing a testcase for patch 2 exposed the patch 1 bug.\n\nI think these patches address all the wrong-code bugs in the ZA state\ntransition logic.  However, there is still room to optimise the mode\ntransitions further - for example, it would be better to delay a transition out\nof INACTIVE_CALLER state until after a private ZA function, if ZA is not used\nbefore the call.\n\nAlice"}