[Bug 3839] New: [IcedTea8] -Wnonnull warnings with GCC 11 on ppc64

[bugzilla-daemon at icedtea.classpath.org]

https://icedtea.classpath.org/bugzilla/show_bug.cgi?id=3839

            Bug ID: 3839
           Summary: [IcedTea8] -Wnonnull warnings with GCC 11 on ppc64
           Product: IcedTea
           Version: 3.x-hg
          Hardware: ppc64
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: IcedTea
          Assignee: gnu.andrew at redhat.com
          Reporter: gnu.andrew at redhat.com
                CC: unassigned at icedtea.classpath.org

/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/macroAssembler_ppc_sha.cpp:345:11:
error: 'this' pointer is null [-Werror=nonnull]
  345 |   xxswapd (vt0->to_vsr(), a->to_vsr());
      |   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/assembler.hpp:52,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/macroAssembler.hpp:28,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/macroAssembler.inline.hpp:28,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/macroAssembler_ppc_sha.cpp:25:
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/register_ppc.hpp:426:19:
note: in a call to non-static member function 'VectorSRegisterImpl*
VectorRegisterImpl::to_vsr() const'
  426 |   VectorSRegister to_vsr() const;
      |                   ^~~~~~
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/macroAssembler_ppc_sha.cpp:346:11:
error: 'this' pointer is null [-Werror=nonnull]
  346 |   stxvd2x (vt0->to_vsr(), hptr);
      |   ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
In file included from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/assembler.hpp:52,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/macroAssembler.hpp:28,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/macroAssembler.inline.hpp:28,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/macroAssembler_ppc_sha.cpp:25:
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/register_ppc.hpp:426:19:
note: in a call to non-static member function 'VectorSRegisterImpl*
VectorRegisterImpl::to_vsr() const'
  426 |   VectorSRegister to_vsr() const;
      |                   ^~~~~~
In file included from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/assembler.inline.hpp:43,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/macroAssembler_ppc.inline.hpp:29,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/macroAssembler.inline.hpp:43,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/macroAssembler_ppc.cpp:27:
In member function 'void Assembler::mfvrd(Register, VectorRegister)',
    inlined from 'void MacroAssembler::kernel_crc32_1word_aligned(Register,
Register, Register, Register, Register, Register, Register, Register)' at
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/macroAssembler_ppc.cpp:3985:8:
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/assembler_ppc.inline.hpp:635:113:
error: 'this' pointer is null [-Werror=nonnull]
  635 | inline void Assembler::mfvrd(   Register        a, VectorRegister d)   
     { emit_int32( MFVSRD_OPCODE  | vsrt(d->to_vsr()) | ra(a)); }
      |                                                                        
                                    ~~~~^~~~~~~~~~~~~
In file included from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/assembler.hpp:52,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/macroAssembler.hpp:28,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/share/vm/asm/macroAssembler.inline.hpp:28,
                 from
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/macroAssembler_ppc.cpp:27:
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/register_ppc.hpp:
In member function 'void MacroAssembler::kernel_crc32_1word_aligned(Register,
Register, Register, Register, Register, Register, Register, Register)':
/builddir/build/BUILD/icedtea-3.19.0/openjdk-boot/hotspot/src/cpu/ppc/vm/register_ppc.hpp:426:19:
note: in a call to non-static member function 'VectorSRegisterImpl*
VectorRegisterImpl::to_vsr() const'
  426 |   VectorSRegister to_vsr() const;
      |

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