Add test on bytecode text

Test data should be a Kotlin source file with zero or more comments e.g. of
the form: '// 1 INVOKEVIRTUAL'. The test then checks that the generated
bytecode for this file contains exactly one occurrence of the string
'INVOKEVIRTUAL'

compiler/testData/codegen/bytecodeText/statements/tryCatchFinally.kt

@@ -0,0 +1,25 @@
+fun z() {}
+
+fun foo() {
+    try {
+        z()
+    } catch (e: Exception) {
+        z()
+    }
+    
+    try {
+        z()
+    } finally {
+        z()
+    }
+
+    try {
+        z()
+    } catch (e: Exception) {
+        z()
+    } finally {
+        z()
+    }
+}
+
+// 0 GETSTATIC