A chain of files like pch -> .h -> .h -> .cpp (pch is included through 2
headers) crashes gcc. This bug is a regression from 4.2.x.
Here's a base64 encoded .tar.gz with example source (sorry, but where's any
option to send an attachments here on buzilla? :/):
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/1ErX/8XvW9n66aJNUcosBTiav196U/1z7jgvv6ccZnQNNYDnbvz+k+NXW87penk8BVUE0L6oad9
q8xuVj0TYmxL69LYh0fySSh1uu2cpemCfJHffgP4iZD/xun1rm7MVqtZFWGOsfz79b5f/6VkPv/C
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MQAAAAAAAAAAAACAO/YNr2yLgQAoAAA=
commands that trigger the bug:
$ g++ precompiled.h
$ g++ Test.cpp
In file included from wrapper.h:1,
from precompiled.h:1:
cc1plus: internal compiler error: Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
gcc version:
$ gcc -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: ../configure --prefix=/usr --enable-shared
--enable-languages=c,c++,fortran,objc,obj-c++,treelang --enable-threads=posix
--mandir=/usr/share/man --enable-__cxa_atexit --disable-multilib
--libdir=/usr/lib --libexecdir=/usr/lib --enable-clocale=gnu
--disable-libstdcxx-pch --with-tune=generic
Thread model: posix
gcc version 4.3.1 (GCC)
--
Summary: segfault when a pch is included through a header file
Product: gcc
Version: 4.3.1
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: pch
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: davorin dot ucakar at gmail dot com
GCC host triplet: i686-pc-linux-gnu
GCC target triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36606
