1 files changed, 39 insertions, 0 deletions
diff --git a/debuginfo-tests/dexter-tests/realigned-frame.cpp b/debuginfo-tests/dexter-tests/realigned-frame.cpp
new file mode 100644
index 00000000000..3d3c086cd17
--- /dev/null
+++ b/debuginfo-tests/dexter-tests/realigned-frame.cpp
@@ -0,0 +1,39 @@
+// REQUIRES: system-windows
+//
+// RUN: %dexter --fail-lt 1.0 -w --builder 'clang-cl_vs2015' \
+// RUN:      --debugger 'dbgeng' --cflags '/Z7 /Zi' --ldflags '/Z7 /Zi' -- %s
+
+// From https://llvm.org/pr38857, where we had issues with stack realignment.
+
+struct Foo {
+  int x = 42;
+  int __declspec(noinline) foo();
+  void __declspec(noinline) bar(int *a, int *b, double *c);
+};
+int Foo::foo() {
+  int a = 1;
+  int b = 2;
+  double __declspec(align(32)) force_alignment = 0.42;
+  bar(&a, &b, &force_alignment); // DexLabel('in_foo')
+  x += (int)force_alignment;
+  return x;
+}
+void Foo::bar(int *a, int *b, double *c) {
+  *c += *a + *b; // DexLabel('in_bar')
+}
+int main() {
+  Foo o;
+  o.foo();
+}
+/*
+DexExpectProgramState({'frames':[
+    {'function': 'Foo::bar', 'location' : {'lineno' : 'in_bar'} },
+    {'function': 'Foo::foo',
+     'watches' : {
+       'a' : '1',
+       'b' : '2',
+       'force_alignment' : '0.42'
+     }
+    }
+]})
+*/