user/node: ensure PPC32 fix doesn't break PPC64

user/node/APKBUILD

@@ -66,6 +66,6 @@ package() {
 sha512sums="cf741f733af7a7e1fbd37b0f98110078494b4771dbdfccacfda95a5ea4cda6cdcea4f8d31dddcf27477213614e4ab6cf7d1a1f900cb92936333730737ac4f9e8  node-v10.15.3.tar.xz
 27ea43eb45fc68f3d2469d5f07636e10801dee11635a430ec8ec922ed790bb426b072da94df885e4dfa1ea8b7a24f2f56dd92f9b0f51e162330f161216bd6de6  Python-2.7.15.tar.xz
 8f64922d586bce9d82c83042a989739cc55ecc5e015778cdfbda21c257aa50527ddb18740985bcb2068e4a749b71eb8a135d9a8152b374d361589df7f33c9b60  libatomic.patch
-afe6ced1d6dc56ef1be9fba03b84eb23ff21949939dda5b84543a14e34c987d37a0067fdc38c45a622aa2e74d6572fea393c05e59e3c1799f23d87f6e2495302  ppc32.patch
+d369cd9685e372368af11ea763defdde7afc789ce5e2f617b47174fb4d45003d6e494a00ef92c9ed098c49c189d1690edf9ce780448a5b4a5b072c20ea35ab95  ppc32.patch
 583326353de5b0ac14a6c42321f6b031bd943a80550624794e15bd7526470f67bfa14a66558db3c94b4ee2db3053d2e4efed2117f4e7b6dca3c59c171048c094  ppc64.patch
 3ea09e36ed0cc31e0475ebc9c92b7609b70e9c1637c5db6c92cf1d6363fb8c6f884ffa20dd81054ca390b721695185327d80c9eeff0688a959e9d46947602471  stack-silliness.patch"

user/node/ppc32.patch

 --- node-v10.15.3/deps/v8/src/libsampler/sampler.cc.old	2019-03-05 15:16:28.000000000 +0000
 +++ node-v10.15.3/deps/v8/src/libsampler/sampler.cc	2019-04-06 13:44:07.224653262 +0000
-@@ -502,9 +502,9 @@
+@@ -502,9 +502,15 @@
        reinterpret_cast<void*>(ucontext->uc_mcontext.regs->gpr[PT_R31]);
  #else
    // Some C libraries, notably Musl, define the regs member as a void pointer
--  state->pc = reinterpret_cast<void*>(ucontext->uc_mcontext.gp_regs[32]);
--  state->sp = reinterpret_cast<void*>(ucontext->uc_mcontext.gp_regs[1]);
--  state->fp = reinterpret_cast<void*>(ucontext->uc_mcontext.gp_regs[31]);
++  #if !V8_TARGET_ARCH_32_BIT
+   state->pc = reinterpret_cast<void*>(ucontext->uc_mcontext.gp_regs[32]);
+   state->sp = reinterpret_cast<void*>(ucontext->uc_mcontext.gp_regs[1]);
+   state->fp = reinterpret_cast<void*>(ucontext->uc_mcontext.gp_regs[31]);
++  #else
 +  state->pc = reinterpret_cast<void*>(ucontext->uc_mcontext.gregs[32]);
 +  state->sp = reinterpret_cast<void*>(ucontext->uc_mcontext.gregs[1]);
 +  state->fp = reinterpret_cast<void*>(ucontext->uc_mcontext.gregs[31]);
++  #endif
  #endif
  #elif V8_HOST_ARCH_S390
  #if V8_TARGET_ARCH_32_BIT