89baa1
diff -up firefox-60.5.0/layout/base/nsIPresShell.h.1354671 firefox-60.5.0/layout/base/nsIPresShell.h
89baa1
--- firefox-60.5.0/layout/base/nsIPresShell.h.1354671	2019-01-22 16:08:40.796539950 +0100
89baa1
+++ firefox-60.5.0/layout/base/nsIPresShell.h	2019-01-22 16:10:25.106069228 +0100
89baa1
@@ -204,7 +204,7 @@ class nsIPresShell : public nsStubDocume
735387
    * to the same aSize value.  AllocateFrame is infallible and will abort
735387
    * on out-of-memory.
735387
    */
89baa1
-  void* AllocateFrame(nsQueryFrame::FrameIID aID, size_t aSize) {
89baa1
+  void* __attribute__((optimize("no-lifetime-dse"))) AllocateFrame(nsQueryFrame::FrameIID aID, size_t aSize) {
735387
     void* result = mFrameArena.AllocateByFrameID(aID, aSize);
735387
     RecordAlloc(result);
89baa1
     return result;