[Bug middle-end/25023] New: [4.1/4.2 Regression] ICE in def_cfa_1, at dwarf2out.c:792

["rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

We fail to build the linux kernel on i686 with debugging enabled.

drivers/usb/media/w9968cf.c:

/usr/lib/gcc/i586-suse-linux/4.1.0/cc1 -fpreprocessed w9968cf.i -quiet
-dumpbase w9968cf.i -m32 -msoft-float -mpreferred-stack-boundary=2 -march=i586
-mregparm=3 -auxbase-strip drivers/usb/media/.tmp_w9968cf.o -g -O2 -Wall
-Wundef -Wstrict-prototypes -Wno-trigraphs
-Werror-implicit-function-declaration -Wdeclaration-after-statement
-Wno-pointer-sign -version -fno-strict-aliasing -fno-common -ffreestanding
-fomit-frame-pointer -fno-unit-at-a-time -o /tmp/ccaO9lCn.s
drivers/usb/media/w9968cf.c: In function ?w9968cf_set_picture?:
drivers/usb/media/w9968cf.c:1827: internal compiler error: in def_cfa_1, at
dwarf2out.c:792
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://www.suse.de/feedback> for instructions.

(reducing)


-- 
           Summary: [4.1/4.2 Regression] ICE in def_cfa_1, at
                    dwarf2out.c:792
           Product: gcc
           Version: 4.1.0
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code
          Severity: critical
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: rguenth at gcc dot gnu dot org
GCC target triplet: i686-pc-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25023