JDK-8295986 : [lworld] compilation problem on aarch64 Ubuntu 22.10
  • Type: Bug
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: repo-valhalla
  • Priority: P4
  • Status: Closed
  • Resolution: Duplicate
  • OS: linux_ubuntu
  • CPU: aarch64
  • Submitted: 2022-10-27
  • Updated: 2023-11-27
  • Resolved: 2022-10-27
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Other
repo-valhallaResolved
Related Reports
Duplicate :  
JDK-8294031 - GCC 12 fails to compile AArch64 due to -Wstringop-overflow
Description
sh ./configure --enable-debug
make hotspot
...
src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp:203:66: error: 'long unsigned int __atomic_load_8(const volatile void*, int)' writing 8 bytes into a region of size 0 overflows the destination [-Werror=stringop-overflow=]
  203 |   T operator()(const volatile T* p) const { T data; __atomic_load(const_cast<T*>(p), &data, __ATOMIC_ACQUIRE); return data; }
      |                                                     ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1plus: all warnings being treated as errors