From ac25ad5f4c489c1b7159428d962cb55a1ceaef35 Mon Sep 17 00:00:00 2001
From: Rich-Harris <richard.a.harris@gmail.com>
Date: Sat, 3 Oct 2015 22:43:03 -0400
Subject: [PATCH] handle pathological cycles

---
 src/Bundle.js                                  |  5 ++++-
 src/Module.js                                  | 14 ++++++++++++--
 test/function/consistent-renaming-c/_config.js |  2 +-
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/src/Bundle.js b/src/Bundle.js
index f8408cc..4fa9e4f 100644
--- a/src/Bundle.js
+++ b/src/Bundle.js
@@ -68,7 +68,10 @@ export default class Bundle {
 				entryModule.getExports().forEach( name => {
 					const declaration = entryModule.traceExport( name );
 					declaration.isExported = true;
-					declaration.statement.mark();
+
+					if ( declaration.statement ) {
+						declaration.statement.mark();
+					}
 				});
 
 				this.markAllModifierStatements();
diff --git a/src/Module.js b/src/Module.js
index 9569878..c9179df 100644
--- a/src/Module.js
+++ b/src/Module.js
@@ -254,9 +254,19 @@ export default class Module {
 
 		this.statements.forEach( statement => {
 			statement.references.forEach( reference => {
-				if ( reference.declaration && reference.declaration.statement ) {
-					const module = reference.declaration.statement.module;
+				const declaration = reference.declaration;
+
+				if ( declaration && declaration.statement ) {
+					const module = declaration.statement.module;
+					if ( module === this ) return;
+
 					weakDependencies[ module.id ] = module;
+
+					// TODO handle references inside IIFEs, and disregard
+					// function declarations
+					if ( !reference.scope.parent ) {
+						strongDependencies[ module.id ] = module;
+					}
 				}
 			});
 		});
diff --git a/test/function/consistent-renaming-c/_config.js b/test/function/consistent-renaming-c/_config.js
index ad1b3a9..4b30d56 100644
--- a/test/function/consistent-renaming-c/_config.js
+++ b/test/function/consistent-renaming-c/_config.js
@@ -1,3 +1,3 @@
 module.exports = {
 	description: 'consistent renaming test c'
-};
\ No newline at end of file
+};