d22e572
diff -up firefox-60.5.0/layout/base/nsIPresShell.h.1354671 firefox-60.5.0/layout/base/nsIPresShell.h
d22e572
--- firefox-60.5.0/layout/base/nsIPresShell.h.1354671	2019-01-22 16:08:40.796539950 +0100
d22e572
+++ firefox-60.5.0/layout/base/nsIPresShell.h	2019-01-22 16:10:25.106069228 +0100
d22e572
@@ -204,7 +204,7 @@ class nsIPresShell : public nsStubDocume
12b8d0b
    * to the same aSize value.  AllocateFrame is infallible and will abort
12b8d0b
    * on out-of-memory.
12b8d0b
    */
d22e572
-  void* AllocateFrame(nsQueryFrame::FrameIID aID, size_t aSize) {
d22e572
+  void* __attribute__((optimize("no-lifetime-dse"))) AllocateFrame(nsQueryFrame::FrameIID aID, size_t aSize) {
12b8d0b
     void* result = mFrameArena.AllocateByFrameID(aID, aSize);
12b8d0b
     RecordAlloc(result);
d22e572
     return result;