[Bug middle-end/55035] New: reload1.c:3766:41: error: ‘orig_dup[0]’ may be used uninitialized in this function (for fr30, microblaze)

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55035

             Bug #: 55035
           Summary: reload1.c:3766:41: error: ‘orig_dup[0]’ may be used
                    uninitialized in this function (for fr30, microblaze)
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Keywords: build, diagnostic
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: amyl...@gcc.gnu.org
            Blocks: 44756
            Target: fr30-elf, microblaze-elf, microblaze-linux


g++ -c   -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common 
-DHAVE_CONFIG_H -I. -I. -I../../../gcc/gcc -I../../../gcc/gcc/.
-I../../../gcc/gcc/../include -I../../../gcc/gcc/../libcpp/include 
-I../../../gcc/gcc/../libdecnumber -I../../../gcc/gcc/../libdecnumber/dpd
-I../libdecnumber -I../../../gcc/gcc/../libbacktrace   
../../../gcc/gcc/reload1.c -o reload1.o
../../../gcc/gcc/reload1.c: In function ‘void
calculate_elim_costs_all_insns()’:
../../../gcc/gcc/reload1.c:3766:41: error: ‘orig_dup[0]’ may be used
uninitialized in this function [-Werror=maybe-uninitialized]
     *recog_data.dup_loc[i] = orig_dup[i];
                                         ^
../../../gcc/gcc/reload1.c:3642:7: note: ‘orig_dup[0]’ was declared here
   rtx orig_dup[MAX_RECOG_OPERANDS];
       ^
cc1plus: all warnings being treated as errors
make[2]: *** [reload1.o] Error 1