remove PageSize and HasFeature, which wasm removed a while back (#1667)

From #1665 (a fuzz bug noticed they were not handled in stack.h).

3 files changed, 3 insertions, 11 deletions

diff --git a/src/wasm/wasm-s-parser.cpp b/src/wasm/wasm-s-parser.cpp
index 818af49ba..a25d3491b 100644
--- a/src/wasm/wasm-s-parser.cpp
+++ b/src/wasm/wasm-s-parser.cpp
@@ -832,7 +832,6 @@ Expression* SExpressionWasmBuilder::makeExpression(Element& s) {
         abort_on(str);
       }
       case 'h': {
-        if (str[1] == 'a') return makeHost(s, HostOp::HasFeature);
         abort_on(str);
       }
       case 'i': {
@@ -848,7 +847,6 @@ Expression* SExpressionWasmBuilder::makeExpression(Element& s) {
         abort_on(str);
       }
       case 'p': {
-        if (str[1] == 'a') return makeHost(s, HostOp::PageSize);
         abort_on(str);
       }
       case 's': {
@@ -975,11 +973,7 @@ Expression* SExpressionWasmBuilder::makeDrop(Element& s) {
 Expression* SExpressionWasmBuilder::makeHost(Element& s, HostOp op) {
   auto ret = allocator.alloc<Host>();
   ret->op = op;
-  if (op == HostOp::HasFeature) {
-    ret->nameOperand = s[1]->str();
-  } else {
-    parseCallOperands(s, 1, s.size(), ret);
-  }
+  parseCallOperands(s, 1, s.size(), ret);
   if (ret->op == HostOp::GrowMemory) {
     if (ret->operands.size() != 1) {
       throw ParseException("grow_memory needs one operand");
diff --git a/src/wasm/wasm-validator.cpp b/src/wasm/wasm-validator.cpp
index 4a6ed19be..d57607ce6 100644
--- a/src/wasm/wasm-validator.cpp
+++ b/src/wasm/wasm-validator.cpp
@@ -802,9 +802,7 @@ void FunctionValidator::visitHost(Host* curr) {
       shouldBeEqualOrFirstIsUnreachable(curr->operands[0]->type, i32, curr, "grow_memory must have i32 operand");
       break;
     }
-    case PageSize:
-    case CurrentMemory:
-    case HasFeature: break;
+    case CurrentMemory: break;
     default: WASM_UNREACHABLE();
   }
 }
diff --git a/src/wasm/wasm.cpp b/src/wasm/wasm.cpp
index 433803772..ac3623cee 100644
--- a/src/wasm/wasm.cpp
+++ b/src/wasm/wasm.cpp
@@ -558,7 +558,7 @@ void Drop::finalize() {
 
 void Host::finalize() {
   switch (op) {
-    case PageSize: case CurrentMemory: case HasFeature: {
+    case CurrentMemory: {
       type = i32;
       break;
     }