http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52883
Bug #: 52883
Summary: ICE in simplify_const_unary_operation, at
simplify-rtx.c:1464
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: reg...@cs.utah.edu
CC: cheny...@cs.utah.edu
[regehr@dyson r2]$ current-gcc -c -O small.c
small.c: In function 'fn2':
small.c:21:1: internal compiler error: in simplify_const_unary_operation, at
simplify-rtx.c:1464
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[regehr@dyson r2]$ cat small.c
int a, b, d, e, f, i, j, k, l, m;
unsigned c;
int g[] = { }
, h[0];
int
fn1 () {
return 0;
}
void
fn2 () {
c = 0;
e = 0;
for (;; e = 0)
if (f > j) {
k = fn1 ();
l = (d || k) * b;
m = l * a;
h[0] = m <= i;
} else
i = g[c];
}
[regehr@dyson r2]$ current-gcc -v
Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r186167-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-r186167-install
--program-prefix=r186167- --enable-languages=c,c++
Thread model: posix
gcc version 4.8.0 20120405 (experimental) (GCC)
