[Bug bootstrap/63523] New: [5.0 regression] gcc/cp/pt.c -Werror=format breaks bootstrap on sparc-linux

["mikpelinux at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63523

            Bug ID: 63523
           Summary: [5.0 regression] gcc/cp/pt.c -Werror=format breaks
                    bootstrap on sparc-linux
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: mikpelinux at gmail dot com

Attempting to bootstrap gcc-5-20141012 on sparc-linux (sparc64 w/ --build and
--target overridden) fails with:

/mnt/scratch/objdir50/./prev-gcc/xg++ -B/mnt/scratch/objdir50/./prev-gcc/
-B/mnt/scratch/install50/sparc-unknown-linux/bin/ -nostdinc++
-B/mnt/scratch/objdir50/prev-sparc-unknown-linux/libstdc++-v3/src/.libs
-B/mnt/scratch/objdir50/prev-sparc-unknown-linux/libstdc++-v3/libsupc++/.libs 
-I/mnt/scratch/objdir50/prev-sparc-unknown-linux/libstdc++-v3/include/sparc-unknown-linux
 -I/mnt/scratch/objdir50/prev-sparc-unknown-linux/libstdc++-v3/include 
-I/mnt/scratch/gcc-5-20141012/libstdc++-v3/libsupc++
-L/mnt/scratch/objdir50/prev-sparc-unknown-linux/libstdc++-v3/src/.libs
-L/mnt/scratch/objdir50/prev-sparc-unknown-linux/libstdc++-v3/libsupc++/.libs
-c  -DIN_GCC_FRONTEND -g -O2 -gtoggle -DIN_GCC    -fno-exceptions -fno-rtti
-fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror  
-DHAVE_CONFIG_H -I. -Icp -I/mnt/scratch/gcc-5-20141012/gcc
-I/mnt/scratch/gcc-5-20141012/gcc/cp
-I/mnt/scratch/gcc-5-20141012/gcc/../include
-I/mnt/scratch/gcc-5-20141012/gcc/../libcpp/include
-I/home/mikpe/pkgs/linux-sparc64/gmp-5.1.3/include
-I/home/mikpe/pkgs/linux-sparc64/mpfr-3.1.2/include
-I/home/mikpe/pkgs/linux-sparc64/mpc-1.0.2/include 
-I/mnt/scratch/gcc-5-20141012/gcc/../libdecnumber
-I/mnt/scratch/gcc-5-20141012/gcc/../libdecnumber/dpd -I../libdecnumber
-I/mnt/scratch/gcc-5-20141012/gcc/../libbacktrace    -o cp/pt.o -MT cp/pt.o
-MMD -MP -MF cp/.deps/pt.TPo /mnt/scratch/gcc-5-20141012/gcc/cp/pt.c
/mnt/scratch/gcc-5-20141012/gcc/cp/pt.c: In function 'void
print_template_statistics()':
/mnt/scratch/gcc-5-20141012/gcc/cp/pt.c:22329:40: error: format '%ld' expects
argument of type 'long int', but argument 3 has type 'size_t {aka unsigned
int}' [-Werror=format=]
     decl_specializations->collisions ());
                                        ^
/mnt/scratch/gcc-5-20141012/gcc/cp/pt.c:22329:40: error: format '%ld' expects
argument of type 'long int', but argument 4 has type 'size_t {aka unsigned
int}' [-Werror=format=]
/mnt/scratch/gcc-5-20141012/gcc/cp/pt.c:22333:40: error: format '%ld' expects
argument of type 'long int', but argument 3 has type 'size_t {aka unsigned
int}' [-Werror=format=]
     type_specializations->collisions ());
                                        ^
/mnt/scratch/gcc-5-20141012/gcc/cp/pt.c:22333:40: error: format '%ld' expects
argument of type 'long int', but argument 4 has type 'size_t {aka unsigned
int}' [-Werror=format=]
cc1plus: all warnings being treated as errors
make[3]: *** [cp/pt.o] Error 1
make[3]: Leaving directory `/mnt/scratch/objdir50/gcc'
make[2]: *** [all-stage2-gcc] Error 2
make[2]: Leaving directory `/mnt/scratch/objdir50'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/mnt/scratch/objdir50'
make: *** [bootstrap] Error 2

The previous weekly snapshot, gcc-5-20141005, bootstrapped fine.

Configuration options:
/mnt/scratch/gcc-5-20141012/configure --prefix=/mnt/scratch/install50
--with-gmp=/home/mikpe/pkgs/linux-sparc64/gmp-5.1.3
--with-mpfr=/home/mikpe/pkgs/linux-sparc64/mpfr-3.1.2
--with-mpc=/home/mikpe/pkgs/linux-sparc64/mpc-1.0.2 --enable-multilib
--disable-plugin --disable-lto --disable-nls --enable-threads=posix
--enable-checking=release --disable-libmudflap
--enable-languages=c,ada,c++,fortran --build=sparc-unknown-linux
--target=sparc-unknown-linux --with-cpu=ultrasparc --enable-targets=all
--disable-libsanitizer