Start processing function blocks in Subzero.

src/IceTargetLoweringX8632.cpp

Index: src/IceTargetLoweringX8632.cpp
diff --git a/src/IceTargetLoweringX8632.cpp b/src/IceTargetLoweringX8632.cpp
index bfb7274e621b16744303c02d86793b5f3c2d1265..a6063c6f4f0c7bbf7bbd7caf3e38befaf6ca2901 100644
--- a/src/IceTargetLoweringX8632.cpp
+++ b/src/IceTargetLoweringX8632.cpp
@@ -200,7 +200,7 @@ void xMacroIntegrityCheck() {
           _num
     };
 // Define a set of constants based on high-level table entries.
-#define X(tag, size, align, elts, elty, str)                                   \
+#define X(tag, size, align, elts, elty, str, flags)                            \
   static const int _table1_##tag = tag;
     ICETYPE_TABLE;
 #undef X
@@ -213,7 +213,7 @@ void xMacroIntegrityCheck() {
 #undef X
 // Repeat the static asserts with respect to the high-level
 // table entries in case the high-level table has extra entries.
-#define X(tag, size, align, elts, elty, str)                                   \
+#define X(tag, size, align, elts, elty, str, flags)                            \
   STATIC_ASSERT(_table1_##tag == _table2_##tag);
     ICETYPE_TABLE;
 #undef X