Don't read `<clinit>`s from class files

This was causing an error when checking required annotation elements for
annotations with `<clinit>`s read from bytecode:

```
error: missing required annotation argument: <clinit>
@Foo
```

https://github.com/bazelbuild/bazel/issues/13144

PiperOrigin-RevId: 360553027

2 files changed, 19 insertions, 0 deletions

diff --git a/javatests/com/google/turbine/lower/LowerIntegrationTest.java b/javatests/com/google/turbine/lower/LowerIntegrationTest.java
index 85c3450..0bc883d 100644
--- a/javatests/com/google/turbine/lower/LowerIntegrationTest.java
+++ b/javatests/com/google/turbine/lower/LowerIntegrationTest.java
@@ -180,6 +180,7 @@ public class LowerIntegrationTest {
       "field_anno.test",
       "annotation_bool_default.test",
       "annotation_class_default.test",
+      "annotation_clinit.test",
       "annotation_declaration.test",
       "annotation_enum_default.test",
       "annotations_default.test",
diff --git a/javatests/com/google/turbine/lower/testdata/annotation_clinit.test b/javatests/com/google/turbine/lower/testdata/annotation_clinit.test
new file mode 100644
index 0000000..7419ed6
--- /dev/null
+++ b/javatests/com/google/turbine/lower/testdata/annotation_clinit.test
@@ -0,0 +1,18 @@
+%%% pkg/Anno.java %%%
+package pkg;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface Anno {
+  String CONSTANT = Anno.class.toString();
+
+  String value() default "";
+}
+
+=== pkg/T.java ===
+package pkg;
+
+@Anno
+class T {}