In file included from ../../gcc/gcc/tree-flow.h:877:0,
                 from ../../gcc/gcc/tree-loop-linear.c:35:
../../gcc/gcc/tree-flow-inline.h: In function ‘num_ssa_operands’:
../../gcc/gcc/tree-flow-inline.h:872:8: warning: variable ‘t’ set but not used [-Wunused-but-set-variable]
   tree t;
        ^
gcc -c  -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -W
no-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat   -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/usr/include/libelf  ../../gcc/gcc
/tree-nested.c -o tree-nested.o
In file included from ../../gcc/gcc/tree-nested.c:25:0:
../../gcc/gcc/tree.h:2993:11: warning: identifier ‘thread_local’ conflicts with C++ keyword [-Wc++-compat]
  unsigned thread_local : 1;
           ^
In file included from ../../gcc/gcc/tree-flow.h:877:0,
                 from ../../gcc/gcc/tree-nested.c:33:
../../gcc/gcc/tree-flow-inline.h: In function ‘num_ssa_operands’:
../../gcc/gcc/tree-flow-inline.h:872:8: warning: variable ‘t’ set but not used [-Wunused-but-set-variable]
   tree t;
        ^
gcc -c  -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -W
no-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat   -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/usr/include/libelf  ../../gcc/gcc
/tree-nrv.c -o tree-nrv.o
In file included from ../../gcc/gcc/tree-nrv.c:24:0:
../../gcc/gcc/tree.h:2993:11: warning: identifier ‘thread_local’ conflicts with C++ keyword [-Wc++-compat]
  unsigned thread_local : 1;
           ^
In file included from ../../gcc/gcc/tree-flow.h:877:0,
                 from ../../gcc/gcc/tree-nrv.c:30:
../../gcc/gcc/tree-flow-inline.h: In function ‘num_ssa_operands’:
../../gcc/gcc/tree-flow-inline.h:872:8: warning: variable ‘t’ set but not used [-Wunused-but-set-variable]
   tree t;
        ^
gcc -c  -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -W
no-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-compat   -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/usr/include/libelf  ../../gcc/gcc
/tree-object-size.c -o tree-object-size.o
In file included from ../../gcc/gcc/tree-object-size.c:26:0:
../../gcc/gcc/tree.h:2993:11: warning: identifier ‘thread_local’ conflicts with C++ keyword [-Wc++-compat]
  unsigned thread_local : 1;
           ^
In file included from ../../gcc/gcc/tree-flow.h:877:0,
                 from ../../gcc/gcc/tree-object-size.c:29:
../../gcc/gcc/tree-flow-inline.h: In function ‘num_ssa_operands’:
../../gcc/gcc/tree-flow-inline.h:872:8: warning: variable ‘t’ set but not used [-Wunused-but-set-variable]
   tree t;
        ^
gcc -c  -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE  -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wmissing-format-attribute -pedantic -W
no-long-long -Wno-variadic-macros -Wno-overlength-strings -Wold-style-definition -Wc++-