tint: Minor, miscellaneous cleanups

• Rename the 'friendly names' for the abstract numeric types so they match
  the style in the intrinsic table.
• Fix a comment so the literal type is correct.

Change-Id: Ie8d7363743c8c359340de3bc6db9a3456d299d34
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/91021
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
diff --git a/src/tint/resolver/var_let_test.cc b/src/tint/resolver/var_let_test.cc
index 4c62bdd..4306736 100644
--- a/src/tint/resolver/var_let_test.cc
+++ b/src/tint/resolver/var_let_test.cc
@@ -86,7 +86,7 @@
     // struct S { i : i32; }
     // alias A = S;
     // fn F(){
-    //   var i : i32 = 1;
+    //   var i : i32 = 1i;
     //   var u : u32 = 1u;
     //   var f : f32 = 1.f;
     //   var b : bool = true;
diff --git a/src/tint/sem/abstract_float.cc b/src/tint/sem/abstract_float.cc
index 1f0c8b4..6f32e99 100644
--- a/src/tint/sem/abstract_float.cc
+++ b/src/tint/sem/abstract_float.cc
@@ -34,7 +34,7 @@
 }
 
 std::string AbstractFloat::FriendlyName(const SymbolTable&) const {
-    return "AbstractFloat";
+    return "abstract-float";
 }
 
 }  // namespace tint::sem
diff --git a/src/tint/sem/abstract_int.cc b/src/tint/sem/abstract_int.cc
index 6851514..682c50a 100644
--- a/src/tint/sem/abstract_int.cc
+++ b/src/tint/sem/abstract_int.cc
@@ -34,7 +34,7 @@
 }
 
 std::string AbstractInt::FriendlyName(const SymbolTable&) const {
-    return "AbstractInt";
+    return "abstract-int";
 }
 
 }  // namespace tint::sem