[Bug bootstrap/68168] New: [6 Regression] r229609 breaks bootstrap

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68168

            Bug ID: 68168
           Summary: [6 Regression] r229609 breaks bootstrap
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: blocker
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dominiq at lps dot ens.fr
                CC: cesar at gcc dot gnu.org, jakub at gcc dot gnu.org
  Target Milestone: ---

Revision r229609 breaks bootstrap: see the mess at
https://gcc.gnu.org/ml/gcc-regression/2015-10/

/opt/gcc/build_w/./prev-gcc/xg++ -B/opt/gcc/build_w/./prev-gcc/
-B/opt/gcc/gcc6w/x86_64-apple-darwin14.5.0/bin/ -nostdinc++
-B/opt/gcc/build_w/prev-x86_64-apple-darwin14.5.0/libstdc++-v3/src/.libs
-B/opt/gcc/build_w/prev-x86_64-apple-darwin14.5.0/libstdc++-v3/libsupc++/.libs 
-I/opt/gcc/build_w/prev-x86_64-apple-darwin14.5.0/libstdc++-v3/include/x86_64-apple-darwin14.5.0
 -I/opt/gcc/build_w/prev-x86_64-apple-darwin14.5.0/libstdc++-v3/include 
-I/opt/gcc/work/libstdc++-v3/libsupc++
-L/opt/gcc/build_w/prev-x86_64-apple-darwin14.5.0/libstdc++-v3/src/.libs
-L/opt/gcc/build_w/prev-x86_64-apple-darwin14.5.0/libstdc++-v3/libsupc++/.libs
-fno-PIE -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 -fno-common
 -DHAVE_CONFIG_H -I. -Ifortran -I../../work/gcc -I../../work/gcc/fortran
-I../../work/gcc/../include -I./../intl -I../../work/gcc/../libcpp/include
-I/opt/mp-new/include  -I../../work/gcc/../libdecnumber
-I../../work/gcc/../libdecnumber/dpd -I../libdecnumber
-I../../work/gcc/../libbacktrace -I/opt/mp-new/include  -o fortran/openmp.o -MT
fortran/openmp.o -MMD -MP -MF fortran/.deps/openmp.TPo
../../work/gcc/fortran/openmp.c
../../work/gcc/fortran/openmp.c: In function 'void
resolve_omp_clauses(gfc_code*, gfc_omp_clauses*, gfc_namespace*, bool)':
../../work/gcc/fortran/openmp.c:2925:27: error: format '%L' expects argument of
type 'locus*', but argument 3 has type 'locus' [-Werror=format=]
     n->sym->name, n->where);
                           ^
cc1plus: all warnings being treated as errors
Makefile:1084: recipe for target 'fortran/openmp.o' failed
make[3]: *** [fortran/openmp.o] Error 1
make[3]: Leaving directory '/opt/gcc/build_w/gcc'
Makefile:4442: recipe for target 'all-stage2-gcc' failed