http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48189
Summary: [4.3/4.4/4.5/4.6/4.7 Regression] ICE: SIGFPE (division by zero) in in predict_loops () at predict.c:991 with --param max-predicted-iterations=0 Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization AssignedTo: unassig...@gcc.gnu.org ReportedBy: zso...@seznam.cz Host: x86_64-pc-linux-gnu Target: x86_64-pc-linux-gnu Created attachment 23708 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=23708 reduced testcase Compiler output: $ gcc -O --param max-predicted-iterations=0 testcase.c testcase.c: In function 'foo': testcase.c:11:1: internal compiler error: Floating point exception Please submit a full bug report, with preprocessed source if appropriate. See <http://gcc.gnu.org/bugs.html> for instructions. Program received signal SIGFPE, Arithmetic exception. 0x000000000080aab2 in predict_loops () at /mnt/svn/gcc-trunk/gcc/predict.c:991 991 probability = ((REG_BR_PROB_BASE + nitercst / 2) / nitercst);