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Subject: [Bug libstdc++/59436] [4.9 Regression] FAIL: 17_intro/headers/c++200x/stdc++.cc (test for excess errors)
Date: Thu, 19 Dec 2013 21:54:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59436

H.J. Lu <hjl.tools at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hjl.tools at gmail dot com

--- Comment #16 from H.J. Lu <hjl.tools at gmail dot com> ---
The bad run has

open("x86_64-unknown-linux-gnu/bits/stdc++.h.gch/O2ggnu++0x.gch",
O_RDONLY|O_NOCTTY) = 5
fstat(5, {st_mode=S_IFREG|0644, st_size=78195440, ...}) = 0
read(5, "gpch+014l\272\361U\305\242H\350\25\237\343\320\316\t\376\323", 24) =
24
read(5, "\3\1\0\0\0\0\0\0\200\367x\0\0\0\0\0\340\0\0\0\0\0\0\0", 24) = 24
...
read(5,
"r\5\0\20\0\0\0\340r\5\0\20\0\0\0\340r\5\0\20\0\0\0\340r\5\0\20\0\0\0\340"...,
4096) = 4096
read(5, "v\5\0\20\0\0\0p\236L\2\20\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
4096) = 4096
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
4096) = 4096
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
4096) = 4096
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
4096) = 4096
read(5, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"...,
4096) = 4096
mmap(0x1000000000, 77393920, PROT_READ|PROT_WRITE, MAP_PRIVATE, 5, 0xc1000) =
0x1000000000
...

The good runs don't do mmap on PCH file.