[CodeView] Hook CodeViewRecordIO for reading/writing symbols.

This is the 3rd of 3 patches to get reading and writing of
CodeView symbol and type records to use a single codepath.

Differential Revision: https://reviews.llvm.org/D26427

llvm-svn: 289978

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/lib/MC/MCCodeView.cpp b/llvm/lib/MC/MCCodeView.cpp
index ac1acc08b0c..22bdba1ca2b 100644
--- a/llvm/lib/MC/MCCodeView.cpp
+++ b/llvm/lib/MC/MCCodeView.cpp
@@ -361,7 +361,9 @@ void CodeViewContext::encodeInlineLineTable(MCAsmLayout &Layout,
     // Exit early if our line table would produce an oversized InlineSiteSym
     // record. Account for the ChangeCodeLength annotation emitted after the
     // loop ends.
-    size_t MaxBufferSize = MaxRecordLength - sizeof(InlineSiteSym::Hdr) - 8;
+    constexpr uint32_t InlineSiteSize = 12;
+    constexpr uint32_t AnnotationSize = 8;
+    size_t MaxBufferSize = MaxRecordLength - InlineSiteSize - AnnotationSize;
     if (Buffer.size() >= MaxBufferSize)
       break;