fix aarch64 compile in rawhide

chromium-61.0.3163.79-aarch64-glibc-2.26.90.patch

@@ -0,0 +1,12 @@
+diff -up chromium-61.0.3163.79/breakpad/src/client/linux/handler/exception_handler.cc.aarchglibc chromium-61.0.3163.79/breakpad/src/client/linux/handler/exception_handler.cc
+--- chromium-61.0.3163.79/breakpad/src/client/linux/handler/exception_handler.cc.aarchglibc	2017-09-12 09:34:39.417504561 -0400
++++ chromium-61.0.3163.79/breakpad/src/client/linux/handler/exception_handler.cc	2017-09-12 09:35:01.512009768 -0400
+@@ -461,7 +461,7 @@ bool ExceptionHandler::HandleSignal(int
+ #if defined(__aarch64__)
+   struct ucontext* uc_ptr = (struct ucontext*)uc;
+   struct fpsimd_context* fp_ptr =
+-      (struct fpsimd_context*)&uc_ptr->uc_mcontext.__reserved;
++      (struct fpsimd_context*)&uc_ptr->uc_mcontext.__glibc_reserved1;
+   if (fp_ptr->head.magic == FPSIMD_MAGIC) {
+     memcpy(&g_crash_context_.float_state, fp_ptr,
+            sizeof(g_crash_context_.float_state));

chromium.spec

@@ -214,6 +214,8 @@ Patch55:	chromium-61.0.3163.79-gtk2fix.patch
 # Fix atk compile
 # https://chromium-review.googlesource.com/c/chromium/src/+/580927
 Patch56:	chromium-61.0.3163.79-fix-atk-compile.patch
+# Only needed when glibc 2.26.90 or later is used
+Patch57:	chromium-61.0.3163.79-aarch64-glibc-2.26.90.patch
 
 ### Chromium Tests Patches ###
 Patch100:	chromium-46.0.2490.86-use_system_opus.patch
@@ -663,6 +665,9 @@ udev.
 %patch54 -p1 -b .gcc5fix
 %patch55 -p1 -b .gtk2fix
 %patch56 -p1 -b .atkfix
+%if 0%{?fedora} >= 28
+%patch57 -p1 -b .aarch64glibc
+%endif
 
 ### Chromium Tests Patches ###
 %patch100 -p1 -b .use_system_opus