[[vk::shader_record]] (#836)

* * Replaced ShaderRecordNVLayoutModifier with ShaderRecordAttribute
* Allowed attributed [[vk::shader_record] and [[shader_record]]
* Checking there is at most 1 ShaderRecord active
* Small typo fixes

* Slightly improve diagnostic.
Replace expected file.

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/diagnostics/single-shader-record.slang.expected b/tests/diagnostics/single-shader-record.slang.expected
new file mode 100644
index 000000000..1e80ed758
--- /dev/null
+++ b/tests/diagnostics/single-shader-record.slang.expected
@@ -0,0 +1,6 @@
+result code = -1
+standard error = {
+(0): error 39017: Can have at most one 'shader record' attributed constant buffer found 2.
+}
+standard output = {
+}