[Bug lto/41832] New: lto1: internal compiler error: verify_stmts failed

[b3timmons at speedymail dot org]

configure xorg-server-1.4.2 with -O -flto in $CFLAGS
make
Eventually it fails with:


gcc -DHAVE_DIX_CONFIG_H -Wall -Wpointer-arith -Wstrict-prototypes
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs
-fno-strict-aliasing -D_BSD_SOURCE -DHAS_FCHOWN -DHAS_STICKY_DIR_BIT
-DDBUS_API_SUBJECT_TO_CHANGE -I/usr/local/include -I/usr/local/include/pixman-1
-I/usr/include/freetype2 -I/usr/include/hal -I/usr/include/dbus-1.0
-I/usr/lib/dbus-1.0/include -I../../../../include -I../../../../include
-I../../../../Xext -I../../../../composite -I../../../../damageext
-I../../../../xfixes -I../../../../Xi -I../../../../mi
-I../../../../miext/shadow -I../../../../miext/damage -I../../../../render
-I../../../../randr -I../../../../fb -DHAVE_XORG_CONFIG_H -DXF86PM
-I/usr/local/include -O -flto -I/usr/include/drm -I/usr/include/X11/dri -o cvt
cvt-cvt.o cvt-xf86cvt.o  ../../../../hw/xfree86/dummylib/libdummy-nonserver.a
-lm -lrt  
In function 'xf86CVTMode':
lto1: error: invalid conversion in return statement
struct _DisplayModeRec *

struct DisplayModeRec *

return Mode_13;

lto1: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
lto-wrapper: /usr/local/bin/gcc returned 1 exit status
collect2: lto-wrapper returned 1 exit status
make: *** [cvt] Error 1


-- 
           Summary: lto1: internal compiler error: verify_stmts failed
           Product: gcc
           Version: 4.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: b3timmons at speedymail dot org
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41832