strace log when g++ showed the issue
strace-increase.log (text/x-log), 1.90 MB, created by Ben Boeckel on 2014-02-03 19:38:36 UTC
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Creator: Ben Boeckel
Created: 2014-02-03 19:38:36 UTC
Size: 1.90 MB
Actions: View
Attachments on bug 1058512: 857208 | 858836 | 858837 | 858838 | 858839