[Bug ipa/63576] [5 Regression] ICE : in ipa_merge_profiles, at ipa-utils.c:540 during Firefox LTO/PGO build

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63576

--- Comment #11 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
And if I try the obvious fix:

637           else if (e2 && e2->speculative)

I hit the assert in ipa-inline.c later on:

lto1: internal compiler error: in edge_badness, at ipa-inline.c:912
0x100bf73 edge_badness
        ../../gcc/gcc/ipa-inline.c:912
0x100f005 update_edge_key
        ../../gcc/gcc/ipa-inline.c:1038
0x100f005 inline_small_functions
        ../../gcc/gcc/ipa-inline.c:1608
0x10117ba ipa_inline
        ../../gcc/gcc/ipa-inline.c:2179
0x10117ba execute
        ../../gcc/gcc/ipa-inline.c:2551
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