Fix the type coerce issue (#6215)

* Fix the type coerce issue

When synthesize the default ctor, if there is a base type
we will synthesize an InvokeExpr to call base type's default
ctor as well. But we should use the type of the inheritanceDecl
instead of base struct decl.

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/language-feature/initializer-lists/inheritance-generic.slang b/tests/language-feature/initializer-lists/inheritance-generic.slang
new file mode 100644
index 000000000..c916178b8
--- /dev/null
+++ b/tests/language-feature/initializer-lists/inheritance-generic.slang
@@ -0,0 +1,26 @@
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=BUFFER):-shaderobj -vk
+//TEST(compute):COMPARE_COMPUTE(filecheck-buffer=BUFFER):-shaderobj
+
+struct Base<let ND:int>
+{
+    int a = 1;
+}
+
+struct Derived<let ND:int>: Base<ND>
+{
+    bool x;
+    bool y;
+}
+
+//TEST_INPUT:ubuffer(data=[0], stride=4):out,name=result
+RWStructuredBuffer<int> result;
+
+[shader("compute")]
+[numthreads(1, 1, 1)]
+void computeMain()
+{
+    Derived<3> d;
+
+    // BUFFER: 1
+    result[0] = d.a;
+}