PNaCl dynamic linking: Fix handling of local relocations with addends

test/Transforms/NaCl/flatten-globals.ll

Index: test/Transforms/NaCl/flatten-globals.ll
diff --git a/test/Transforms/NaCl/flatten-globals.ll b/test/Transforms/NaCl/flatten-globals.ll
index fa62104ae29909571f771f7d0011e91ba4a8f5a0..e7e8944cd738422f8e48217f58d390851d46f308 100644
--- a/test/Transforms/NaCl/flatten-globals.ll
+++ b/test/Transforms/NaCl/flatten-globals.ll
@@ -1,6 +1,9 @@
 ; RUN: opt -flatten-globals %s -S | FileCheck %s
 ; RUN: opt -flatten-globals %s -S | FileCheck %s -check-prefix=CLEANED
 
+; Check that the pass can handle its own output (idempotence).
+; RUN: opt -flatten-globals -flatten-globals %s -S
+
 target datalayout = "p:32:32:32"
 
 
@@ -187,6 +190,9 @@ target datalayout = "p:32:32:32"
     i8* blockaddress(@func_with_block, %label), i32 100)
 ; CHECK: @block_addend = global i32 add (i32 ptrtoint (i8* blockaddress(@func_with_block, %label) to i32), i32 100)
 
+@add_expr = global i32 add (i32 ptrtoint (%ptrs1* @ptrs1 to i32), i32 8)
+; CHECK: @add_expr = global i32 add (i32 ptrtoint (<{ i32, [8 x i8] }>* @ptrs1 to i32), i32 8)
+
 
 ; Special cases