==, !=

src/parsec.cpp

@@ -978,8 +978,7 @@ static AstNode *trans_binary_operator(Context *c, bool result_used, AstNode *blo
         case BO_EQ:
             return trans_create_bin_op(c, block, stmt->getLHS(), BinOpTypeCmpEq, stmt->getRHS());
         case BO_NE:
-            emit_warning(c, stmt->getLocStart(), "TODO handle more C binary operators: BO_NE");
-            return nullptr;
+            return trans_create_bin_op(c, block, stmt->getLHS(), BinOpTypeCmpNotEq, stmt->getRHS());
         case BO_And:
             emit_warning(c, stmt->getLocStart(), "TODO handle more C binary operators: BO_And");
             return nullptr;

test/parsec.zig

@@ -373,6 +373,22 @@ pub fn addCases(cases: &tests.ParseCContext) {
         \\}
     );
 
+    cases.add("==, !=",
+        \\int max(int a, int b) {
+        \\    if (a == b)
+        \\        return a;
+        \\    if (a != b)
+        \\        return b;
+        \\    return a;
+        \\}
+    ,
+        \\export fn max(a: c_int, b: c_int) -> c_int {
+        \\    if (a == b) return a;
+        \\    if (a != b) return b;
+        \\    return a;
+        \\}
+    );
+
     cases.add("logical and, logical or",
         \\int max(int a, int b) {
         \\    if (a < b || a == b)