Use the correct V8_HOST_ARCH macro, it is IA32 and not X86.

Review URL: http://codereview.chromium.org/115022


git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1880 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/platform-linux.cc

@@ -600,7 +600,7 @@ static void ProfilerSignalHandler(int signal, siginfo_t* info, void* context) {
     // Extracting the sample from the context is extremely machine dependent.
     ucontext_t* ucontext = reinterpret_cast<ucontext_t*>(context);
     mcontext_t& mcontext = ucontext->uc_mcontext;
-#if V8_HOST_ARCH_X86
+#if V8_HOST_ARCH_IA32
     sample.pc = mcontext.gregs[REG_EIP];
     sample.sp = mcontext.gregs[REG_ESP];
     sample.fp = mcontext.gregs[REG_EBP];