From bb6a88c25d6586cec20dafd2bddf0387748eecc9 Mon Sep 17 00:00:00 2001
From: Owen Anderson <resistor@mac.com>
Date: Tue, 10 Mar 2015 06:34:57 +0000
Subject: Fix a stack overflow in the assembler when checking that GEPs must be
 over sized types.

We failed to use a marking set to properly handle recursive types, which caused use
to recurse infinitely and eventually overflow the stack.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231760 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Assembler/unsized-recursive-type.ll | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 test/Assembler/unsized-recursive-type.ll

(limited to 'test')

diff --git a/test/Assembler/unsized-recursive-type.ll b/test/Assembler/unsized-recursive-type.ll
new file mode 100644
index 00000000000..b6d93fa19fe
--- /dev/null
+++ b/test/Assembler/unsized-recursive-type.ll
@@ -0,0 +1,9 @@
+; RUN: not llvm-as < %s 2>&1 | FileCheck %s
+
+; CHECK: base element of getelementptr must be sized
+
+%myTy = type { %myTy }
+define void @foo(%myTy* %p){
+  %0 = getelementptr %myTy, %myTy* %p, i32 0
+  ret void
+}
-- 
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