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-rw-r--r--test/Verifier/gcread-ptrptr.ll13
1 files changed, 13 insertions, 0 deletions
diff --git a/test/Verifier/gcread-ptrptr.ll b/test/Verifier/gcread-ptrptr.ll
new file mode 100644
index 0000000..4ed22fa
--- /dev/null
+++ b/test/Verifier/gcread-ptrptr.ll
@@ -0,0 +1,13 @@
+; RUN: not llvm-as < %s >& /dev/null
+; PR1633
+
+%meta = type { i8* }
+%obj = type { %meta* }
+
+declare %obj* @llvm.gcread(%obj*, %obj*)
+
+define %obj* @f() {
+entry:
+ %x = call %obj* @llvm.gcread(%obj* null, %obj* null)
+ ret %obj* %x
+}