RFR(S): 8196992: Resolve disabled warnings for libdt_socket

[Magnus Ihse Bursie]

On 2018-02-23 02:03, Chris Plummer wrote:
> Hello,
>
> Please review the following:
>
> https://bugs.openjdk.java.net/browse/JDK-8196992
>
> diff --git a/make/lib/Lib-jdk.jdwp.agent.gmk 
> b/make/lib/Lib-jdk.jdwp.agent.gmk
> --- a/make/lib/Lib-jdk.jdwp.agent.gmk
> +++ b/make/lib/Lib-jdk.jdwp.agent.gmk
> @@ -43,7 +43,6 @@
>      OPTIMIZATION := LOW, \
>      CFLAGS := $(CFLAGS_JDKLIB) -DUSE_MMAP \
>          $(LIBDT_SOCKET_CPPFLAGS), \
> -    DISABLED_WARNINGS_gcc := shift-negative-value, \
>      MAPFILE := $(TOPDIR)/make/mapfiles/libdt_socket/mapfile-vers, \
>      LDFLAGS := $(LDFLAGS_JDKLIB) \
>          $(call SET_SHARED_LIBRARY_ORIGIN), \
Looks good. Thanks for fixing these code quality issues!

/Magnus
>
> This change is undoing the makefile change done as part of 
> JDK-8196985. The only warning that was turning up in libdt_socket code 
> before JDK-8196985 was done has already been fixed by JDK-8196909. 
> Thus no warnings need to be fixed.
>
> After removing the above makefile code, I tested by building with the 
> new toolchain. As a first test I undid the socketTransport.cpp fix 
> from JDK-8196909 to verify that the new toolchain exposed the warning. 
> Then I reverted socketTransport.cpp back to tip sources and saw no 
> warnings with the new toolchain.
>
> thanks,
>
> Chris
>