Patch RFA: With -fnon-call-exceptions sync builtins may throw

[Marc Glisse]

On Mon, 4 Nov 2013, Ian Lance Taylor wrote:

> 2013-11-04  Ian Lance Taylor  <iant@google.com>
>
> 	* builtins.def (ATTR_NOTHROWCALL_LEAF_LIST): Define.
> 	* sync-builtins.def: Use ATTR_NOTHROWCALL_LEAF_LIST for all sync
> 	builtins that take pointers.
> 	* lto-opts.c (lto_write_options): Write -fnon-call-exceptions
> 	if set.
> 	* lto-wrapper.c (merge_and_complain): Collect
> 	OPT_fnon_call_exceptions.
> 	(run_gcc): Pass -fnon-call-exceptions.

Hello,

I am seeing a bootstrap failure that seems related:

/tmp/testgcc/pristine/build/./prev-gcc/xg++ -B/tmp/testgcc/pristine/build/./prev-gcc/ -B/tmp/testgcc/pristine/inst/x86_64-unknown-linux-gnu/bin/ -nostdinc++ -B/tmp/testgcc/pristine/build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs -B/tmp/testgcc/pristine/build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs -I/tmp/testgcc/pristine/build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu -I/tmp/testgcc/pristine/build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include -I/data/repos/gcc/pristine/libstdc++-v3/libsupc++ -L/tmp/testgcc/pristine/build/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs -L/tmp/testgcc/pristine/build/prev-x86_64-unknown-linux-gnu/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 -pedantic -Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -Werror -fno-common  -DHAVE_CONFIG_H -I. -Ifortran -I/data/repos/gcc/pristine/gcc -I/data/repos/gcc/pristine/gcc/fortran -I/data/repos/gcc/pristine/gcc/../include -I/data/repos/gcc/pristine/gcc/../libcpp/include  -I/data/repos/gcc/pristine/gcc/../libdecnumber -I/data/repos/gcc/pristine/gcc/../libdecnumber/bid -I../libdecnumber -I/data/repos/gcc/pristine/gcc/../libbacktrace -DCLOOG_INT_GMP    -o fortran/trans.o -MT fortran/trans.o -MMD -MP -MF fortran/.deps/trans.TPo /data/repos/gcc/pristine/gcc/fortran/trans.c
/data/repos/gcc/pristine/gcc/fortran/../sync-builtins.def: In function 'void gfc_init_builtin_functions()':
/data/repos/gcc/pristine/gcc/builtins.def:220:2: error: 'ATTR_LEAF_LIST' was not declared in this scope
   ATTR_LEAF_LIST : ATTR_NOTHROW_LEAF_LIST)
   ^
/data/repos/gcc/pristine/gcc/fortran/f95-lang.c:1034:4: note: in definition of macro 'DEF_SYNC_BUILTIN'
     attr);
     ^
/data/repos/gcc/pristine/gcc/fortran/../sync-builtins.def:32:21: note: in expansion of macro 'ATTR_NOTHROWCALL_LEAF_LIST'
      BT_FN_VOID_VAR, ATTR_NOTHROWCALL_LEAF_LIST)
                      ^
make[3]: *** [fortran/f95-lang.o] Error 1

-- 
Marc Glisse