RFR: 8216385: ZGC: Fix building without C2

Aleksey Shipilev shade at redhat.com
Tue Jan 8 20:43:05 UTC 2019

On 1/8/19 9:40 PM, Aleksey Shipilev wrote:
> Just built it with "--with-debug-level=fastdebug --disable-precompiled-headers
> --with-jvm-features=-compiler2", and it breaks:
> /home/shade/jdk-jdk/src/hotspot/os_cpu/linux_x86/gc/z/zArguments_linux_x86.cpp:31:5: error:
> "COMPILER2" is not defined [-Werror=undef]
>  #if COMPILER2
>      ^~~~~~~~~
> It should be #ifdef, not #if...

...and no need for additional #include, it seems to get there through build flags, not through


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