Blame SOURCES/rhbz-1354671.patch

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