The build is broken when using gcc 6

deadalnix via Digitalmars-d Wed, 26 Oct 2016 19:50:18 -0700

$ make -f posix.mak
make -C src -f posix.mak
make[1]: Entering directory '/home/deadalnix/d/dmd/src'
no cpu specified, assuming X86
  (CC)  BACK_OBJS  backend/cg87.c

c++ -c -Wno-deprecated -Wstrict-aliasing -fno-exceptions-fno-rtti -D__pascal= -DMARS=1 -DTARGET_LINUX=1-DDM_TARGET_CPU_X86=1 -m64 -Iroot -Itk -Ibackend -I. -DDMDV2=1-MMD -MF cg87.deps backend/cg87.c

backend/cg87.c: In function ‘unsigned char loadconst(elem*, int)’:

backend/cg87.c:716:46: error: narrowing conversion of ‘238’ from‘int’ to ‘char’ inside { } [-Wnarrowing]

         {0xEE,0xE8,0xEB,0xE9,0xEA,0xEC,0xED,0};
                                              ^

backend/cg87.c:716:46: error: narrowing conversion of ‘232’ from‘int’ to ‘char’ inside { } [-Wnarrowing]backend/cg87.c:716:46: error: narrowing conversion of ‘235’ from‘int’ to ‘char’ inside { } [-Wnarrowing]backend/cg87.c:716:46: error: narrowing conversion of ‘233’ from‘int’ to ‘char’ inside { } [-Wnarrowing]backend/cg87.c:716:46: error: narrowing conversion of ‘234’ from‘int’ to ‘char’ inside { } [-Wnarrowing]backend/cg87.c:716:46: error: narrowing conversion of ‘236’ from‘int’ to ‘char’ inside { } [-Wnarrowing]backend/cg87.c:716:46: error: narrowing conversion of ‘237’ from‘int’ to ‘char’ inside { } [-Wnarrowing]

posix.mak:445: recipe for target 'cg87.o' failed
make[1]: *** [cg87.o] Error 1
make[1]: Leaving directory '/home/deadalnix/d/dmd/src'
posix.mak:8: recipe for target 'all' failed
make: *** [all] Error 2


$ c++ -v
Using built-in specs.
COLLECT_GCC=c++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/6/lto-wrapper
Target: x86_64-linux-gnu

Configured with: ../src/configure -v --with-pkgversion='Debian6.2.0-6' --with-bugurl=file:///usr/share/doc/gcc-6/README.Bugs--enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++--prefix=/usr --program-suffix=-6--program-prefix=x86_64-linux-gnu- --enable-shared--enable-linker-build-id --libexecdir=/usr/lib--without-included-gettext --enable-threads=posix--libdir=/usr/lib --enable-nls --with-sysroot=/--enable-clocale=gnu --enable-libstdcxx-debug--enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new--enable-gnu-unique-object --disable-vtable-verify--enable-libmpx --enable-plugin --with-system-zlib--disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-6-amd64/jre--enable-java-home--with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-6-amd64--with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-6-amd64--with-arch-directory=amd64--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc--enable-multiarch --with-arch-32=i686 --with-abi=m64--with-multilib-list=m32,m64,mx32 --enable-multilib--with-tune=generic --enable-checking=release--build=x86_64-linux-gnu --host=x86_64-linux-gnu--target=x86_64-linux-gnu

Thread model: posix
gcc version 6.2.0 20161010 (Debian 6.2.0-6)

You'll ask me, why isn't this going in a bug report ? Well =>https://forum.dlang.org/post/zttkvpmlvkujsjdra...@forum.dlang.org

The build is broken when using gcc 6

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