Introduces extended register sets whose availability can vary with the target processor.

- Includes a stub for AVX support in the x86-64 register context and a failing test for register sets that are unavailable.

Thanks to Greg Clayton for his review feedback.

llvm-svn: 178252

1 files changed, 1 insertions, 2 deletions

diff --git a/lldb/source/Core/RegisterValue.cpp b/lldb/source/Core/RegisterValue.cpp
index ab24567ba12..16559e2b478 100644
--- a/lldb/source/Core/RegisterValue.cpp
+++ b/lldb/source/Core/RegisterValue.cpp
@@ -981,12 +981,11 @@ RegisterValue::SetBytes (const void *bytes, size_t length, lldb::ByteOrder byte_
     // m_data.buffer.bytes, or make it something that is allocated on
     // the heap. Since the data buffer is in a union, we can't make it
     // a collection class like SmallVector...
-    assert (length <= sizeof (m_data.buffer.bytes));
     if (bytes && length > 0)
     {
+        assert (length <= sizeof (m_data.buffer.bytes) && "Storing too many bytes in a RegisterValue.");
         m_type = eTypeBytes;
         m_data.buffer.length = length;
-        assert (length <= sizeof (m_data.buffer.bytes));
         memcpy (m_data.buffer.bytes, bytes, length);
         m_data.buffer.byte_order = byte_order;
     }