Handle 'long long' and aliases in Fiddle

* Fixes #3128

Author: eregon

CHANGELOG.md

@@ -24,6 +24,7 @@ Compatibility:
 * Add implementations of `rb_proc_call_with_block`, `rb_proc_call_kw`, `rb_proc_call_with_block_kw` and `rb_funcall_with_block_kw` (#3068, @andrykonchin).
 * Add optional `timeout` argument to `Thread::Queue#pop` (#3039, @itarato).
 * Add optional `timeout` argument to `Thread::SizedsQueue#pop` (#3039, @itarato).
+* Handle `long long` and aliases in `Fiddle` (#3128, @eregon).
 
 Performance:
 

lib/truffle/truffle/fiddle_backend.rb

@@ -51,9 +51,9 @@ def self.type_to_nfi(type)
       INT_NFI_TYPE
     when -Fiddle::TYPE_INT
       UINT_NFI_TYPE
-    when Fiddle::TYPE_LONG
+    when Fiddle::TYPE_LONG, Fiddle::TYPE_LONG_LONG
       LONG_NFI_TYPE
-    when -Fiddle::TYPE_LONG
+    when -Fiddle::TYPE_LONG, -Fiddle::TYPE_LONG_LONG
       ULONG_NFI_TYPE
     when Fiddle::TYPE_FLOAT
       'FLOAT'