diff --git a/src/writer/msl/generator_impl.cc b/src/writer/msl/generator_impl.cc
index 11ee9a1a14..fd76e6ea66 100644
--- a/src/writer/msl/generator_impl.cc
+++ b/src/writer/msl/generator_impl.cc
@@ -1728,9 +1728,20 @@ bool GeneratorImpl::EmitIf(ast::IfStatement* stmt) {
 }
 
 bool GeneratorImpl::EmitMemberAccessor(ast::MemberAccessorExpression* expr) {
+  bool paren_lhs =
+      !expr->structure()
+           ->IsAnyOf<ast::ArrayAccessorExpression, ast::CallExpression,
+                     ast::IdentifierExpression, ast::MemberAccessorExpression,
+                     ast::TypeConstructorExpression>();
+  if (paren_lhs) {
+    out_ << "(";
+  }
   if (!EmitExpression(expr->structure())) {
     return false;
   }
+  if (paren_lhs) {
+    out_ << ")";
+  }
 
   out_ << ".";
 
diff --git a/test/bug/tint/749.spvasm.expected.msl b/test/bug/tint/749.spvasm.expected.msl
index 5a7c08c2b5..6bd339d73b 100644
--- a/test/bug/tint/749.spvasm.expected.msl
+++ b/test/bug/tint/749.spvasm.expected.msl
@@ -1 +1 @@
-SKIP: crbug.com/tint/831
+SKIP: crbug.com/tint/833 loop emission is broken
diff --git a/test/ptr_ref/load/global/struct_field.spvasm.expected.msl b/test/ptr_ref/load/global/struct_field.spvasm.expected.msl
index 5a7c08c2b5..e3352ce09c 100644
--- a/test/ptr_ref/load/global/struct_field.spvasm.expected.msl
+++ b/test/ptr_ref/load/global/struct_field.spvasm.expected.msl
@@ -1 +1,16 @@
-SKIP: crbug.com/tint/831
+#include <metal_stdlib>
+
+using namespace metal;
+struct S {
+  int i;
+};
+
+kernel void tint_symbol() {
+  thread S tint_symbol_2 = {};
+  thread S* const tint_symbol_1 = &(tint_symbol_2);
+  int i = 0;
+  int const x_15 = (*(tint_symbol_1)).i;
+  i = x_15;
+  return;
+}
+
diff --git a/test/ptr_ref/load/global/struct_field.wgsl.expected.msl b/test/ptr_ref/load/global/struct_field.wgsl.expected.msl
index 5a7c08c2b5..cca8c398b9 100644
--- a/test/ptr_ref/load/global/struct_field.wgsl.expected.msl
+++ b/test/ptr_ref/load/global/struct_field.wgsl.expected.msl
@@ -1 +1,14 @@
-SKIP: crbug.com/tint/831
+#include <metal_stdlib>
+
+using namespace metal;
+struct S {
+  int i;
+};
+
+kernel void tint_symbol() {
+  thread S tint_symbol_2 = {};
+  thread S* const tint_symbol_1 = &(tint_symbol_2);
+  int const i = (*(tint_symbol_1)).i;
+  return;
+}
+
diff --git a/test/ptr_ref/store/global/struct_field.spvasm.expected.msl b/test/ptr_ref/store/global/struct_field.spvasm.expected.msl
index 3bde28121e..f66e91934f 100644
--- a/test/ptr_ref/store/global/struct_field.spvasm.expected.msl
+++ b/test/ptr_ref/store/global/struct_field.spvasm.expected.msl
@@ -1 +1,14 @@
-SKIP: crbug.com/tint/831
\ No newline at end of file
+#include <metal_stdlib>
+
+using namespace metal;
+struct S {
+  int i;
+};
+
+kernel void tint_symbol() {
+  thread S tint_symbol_2 = {};
+  thread S* const tint_symbol_1 = &(tint_symbol_2);
+  (*(tint_symbol_1)).i = 5;
+  return;
+}
+