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From: "regehr at cs dot utah.edu" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/53495] New: segmentation fault Date: Sat, 26 May 2012 14:17:00 -0000 [thread overview] Message-ID: <bug-53495-4@http.gcc.gnu.org/bugzilla/> (raw) http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53495 Bug #: 53495 Summary: segmentation fault Classification: Unclassified Product: gcc Version: 4.8.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned@gcc.gnu.org ReportedBy: regehr@cs.utah.edu CC: chenyang@cs.utah.edu [regehr@dyson r59]$ current-gcc -O1 small.c -c small.c: In function 'fn4': small.c:14:1: 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. [regehr@dyson r59]$ current-gcc -v Using built-in specs. COLLECT_GCC=current-gcc COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r187906-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../configure --with-libelf=/usr/local --enable-lto --prefix=/home/regehr/z/compiler-install/gcc-r187906-install --program-prefix=r187906- --enable-languages=c,c++ Thread model: posix gcc version 4.8.0 20120526 (experimental) (GCC) [regehr@dyson r59]$ cat small.c int a, b, c, d, e, g; static char fn1 (char p1, int p2) { return p1 || p2 < 0 || p2 >= 1 || 1 >> p2 ? p1 : 0; } static long long fn2 (int *, int); static int fn3 (); void fn4 () { fn3 (); fn2 (&a, d); } long long fn2 (int *p1, int p2) { int f = -1L; for (; c <= 1; c++) { *p1 = 0; *p1 = fn1 (c, p2 ^ f); } a = 0; e = p2; return 0; } int fn3 () { b = 3; for (; b; b--) c++; g = 0 >= c; return 0; }
next reply other threads:[~2012-05-26 14:12 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-05-26 14:17 regehr at cs dot utah.edu [this message] 2012-05-26 14:34 ` [Bug rtl-optimization/53495] [4.8 Regression] " hjl.tools at gmail dot com 2012-08-13 10:36 ` jakub at gcc dot gnu.org 2012-08-13 10:57 ` jakub at gcc dot gnu.org 2012-08-14 7:43 ` jakub at gcc dot gnu.org 2012-08-14 7:50 ` jakub at gcc dot gnu.org
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