https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85388
--- Comment #6 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> --- Author: hjl Date: Wed Apr 18 19:14:28 2018 New Revision: 259475 URL: https://gcc.gnu.org/viewcvs?rev=259475&root=gcc&view=rev Log: i386: Insert ENDBR after __morestack call Since __morestack will jump back to its callee via indirect call, we need to insert ENDBR after calling __morestack. gcc/ PR target/85388 * config/i386/i386.c (ix86_expand_split_stack_prologue): Insert ENDBR after calling __morestack. gcc/testsuite/ PR target/85388 * gcc.dg/pr85388-1.c: New test. * gcc.dg/pr85388-2.c: Likewise. * gcc.dg/pr85388-3.c: Likewise. * gcc.dg/pr85388-4.c: Likewise. * gcc.dg/pr85388-5.c: Likewise. * gcc.dg/pr85388-6.c: Likewise. Added: trunk/gcc/testsuite/gcc.dg/pr85388-1.c trunk/gcc/testsuite/gcc.dg/pr85388-2.c trunk/gcc/testsuite/gcc.dg/pr85388-3.c trunk/gcc/testsuite/gcc.dg/pr85388-4.c trunk/gcc/testsuite/gcc.dg/pr85388-5.c trunk/gcc/testsuite/gcc.dg/pr85388-6.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/i386/i386.c trunk/gcc/testsuite/ChangeLog