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Re: [PATCH] PR libstdc++/85222 allow catching iostream errors as gcc4-compatible ios::failure


On Fri, Apr 13, 2018 at 11:19:35AM +0100, Jonathan Wakely wrote:
> --- a/libstdc++-v3/src/c++11/Makefile.am
> +++ b/libstdc++-v3/src/c++11/Makefile.am
> @@ -128,10 +128,7 @@ hashtable_c++0x.o: hashtable_c++0x.cc
>  
>  if ENABLE_DUAL_ABI
>  # Rewrite the type info for __ios_failure.
> -rewrite_ios_failure_typeinfo = sed -e '/^_ZTISt13__ios_failure:$$/{' \
> -	-e 'n' \
> -	-e 's/_ZTVN10__cxxabiv120__si_class_type_infoE/_ZTVSt19__iosfail_type_info/' \
> -	-e '}'
> +rewrite_ios_failure_typeinfo = sed -e '/^_*_ZTISt13__ios_failure:/,_ZTVN10__cxxabiv120__si_class_type_infoE/s/_ZTVN10__cxxabiv120__si_class_type_infoE/_ZTVSt19__iosfail_type_info/'

I miss / in between , and _ZTVN10__cxxabiv120__si_class_type_infoE

$ echo | sed -e '/^_*_ZTISt13__ios_failure:/,_ZTVN10__cxxabiv120__si_class_type_infoE/s/_ZTVN10__cxxabiv120__si_class_type_info_ZTVSt19__iosfail_type_info/'
sed: -e expression #1, char 29: unexpected `,'
$ echo | sed -e '/^_*_ZTISt13__ios_failure:/,/_ZTVN10__cxxabiv120__si_class_type_infoE/s/_ZTVN10__cxxabiv120__si_class_type_infoE/_ZTVSt19__iosfail_type_info/'

	Jakub


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