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Diffstat (limited to 'gcc/testsuite/g++.dg/torture/pr44492.C')
-rw-r--r--gcc/testsuite/g++.dg/torture/pr44492.C31
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr44492.C b/gcc/testsuite/g++.dg/torture/pr44492.C
new file mode 100644
index 000000000..41669241e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr44492.C
@@ -0,0 +1,31 @@
+// PR middle-end/44492
+// { dg-do run }
+
+struct T { unsigned long p; };
+struct S { T a, b, c; unsigned d; };
+
+__attribute__((noinline))
+void
+bar (const T &x, const T &y)
+{
+ if (x.p != 0x2348 || y.p != 0x2346)
+ __builtin_abort ();
+}
+
+__attribute__((noinline))
+void
+foo (S &s, T e)
+{
+ unsigned long a = e.p;
+ unsigned long b = s.b.p;
+ __asm__ volatile ("" : : "rm" (a), "rm" (b));
+ bar (e, s.b);
+}
+
+int
+main ()
+{
+ S s = { { 0x2345 }, { 0x2346 }, { 0x2347 }, 6 };
+ T t = { 0x2348 };
+ foo (s, t);
+}