It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CFrontend/2007-02-04-AddrLValue-2.c b/test/CFrontend/2007-02-04-AddrLValue-2.c
new file mode 100644
index 0000000..90251e6
--- /dev/null
+++ b/test/CFrontend/2007-02-04-AddrLValue-2.c
@@ -0,0 +1,13 @@
+// RUN: %llvmgcc %s -O3 -S -o - -emit-llvm
+// PR1173
+
+struct S { char s; };
+struct T { struct S t; };
+
+struct S *const p = &((struct T * const) (0x4000))->t;
+
+void
+foo (void)
+{
+ p->s = 0;
+}