[Bug target/20322] [4.0/4.1 Regression] Miscompilation of libcpp/expr.c at -O2+

uros at kss-loka dot si gcc-bugzilla@gcc.gnu.org
Fri Mar 11 14:01:00 GMT 2005


------- Additional Comments From uros at kss-loka dot si  2005-03-11 14:01 -------
Just FYI: arith-3.c still fails for me on pentium4. The sistem is fairly
unpatched Red Hat Linux release 8.0 (Psyche):

Linux moron 2.4.18-14 #1 Wed Sep 4 13:35:50 EDT 2002 i686 i686 i386 GNU/Linux

Compiler version: 4.1.0 20050310 (experimental) 
Platform: i686-pc-linux-gnu
libc-2.2.93.

Running target unix
FAIL: gcc.dg/cpp/arith-3.c  (test for bogus messages, line 257)
XPASS: gcc.dg/vect/vect-22.c scan-tree-dump-times vectorized 3 loops 1

However, testcase from description compiles and runs OK with "gcc -O2 pr20322.c".


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20322



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