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[Bug c++/79821] [7 regression] SEGV in cc1plus compiling 64-bit stdc++.h.gch/O2g.gch
- From: "ro at CeBiTec dot Uni-Bielefeld.DE" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 03 Mar 2017 11:16:49 +0000
- Subject: [Bug c++/79821] [7 regression] SEGV in cc1plus compiling 64-bit stdc++.h.gch/O2g.gch
- Auto-submitted: auto-generated
- References: <bug-79821-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79821
--- Comment #4 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot Uni-Bielefeld.DE> ---
> --- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
> possibly GC parameter sensitive
Indeed: the default is
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Increasing either param tenfold lets the compilation succeed.
Rainer