[Bug c/16283] New: ICE subst_stack_regs_pat, at reg-stack.c:1638 at gcc -O2

["aaronavay62 at aaronwl dot com" <gcc-bugzilla at gcc dot gnu dot org>]

gcc version 3.5.0 20040626 (experimental)
i686-pc-mingw32

Windows XP SP1 Professional
current Cygwin 1.5.10
binutils 2.15.91 20040628
mingwrt head
w32api head
libiconv 1.9.1
gmake 3.80

Configured with: ../../src/cvs/mainline/gcc/configure --
prefix=/aaronwl/cs/env/mingw-head-head-head --enable-checking --enable-
maintainer-mode --with-included-gettext --with-libiconv-
prefix=/aaronwl/cs/internat/iconv/install

gcc -O2 -c sf_erf.c causes the ICE

../../src/cvs/runtime/mingwex/math/sf_erf.c: In function `erfcf':
../../src/cvs/runtime/mingwex/math/sf_erf.c:264: internal compiler error: in 
subst_stack_regs_pat, at reg-stack.c:1638
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://gcc.gnu.org/bugs.html> for instructions.

Testcase is sf_erf.c, attachment following.

-- 
           Summary: ICE subst_stack_regs_pat, at reg-stack.c:1638 at gcc -O2
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: aaronavay62 at aaronwl dot com
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i686-pc-mingw32
  GCC host triplet: i686-pc-mingw32
GCC target triplet: i686-pc-mingw32


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16283