[llvm] [llvm-debuginfo-analyzer] Add support for DWARF `DW_AT_byte_size` (PR #139110)

[Orlando Cazalet-Hyams via llvm-commits]

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@@ -239,6 +243,9 @@ class LVElement : public LVObject {
   virtual bool isBase() const { return false; }
   virtual bool isTemplateParam() const { return false; }
 
+  uint32_t getStorageSizeInBytes() const {
+    return (getBitSize() + (DWARF_CHAR_BIT - 1)) / DWARF_CHAR_BIT;
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OCHyams wrote:

It might be clearer to use `llvm::divideceil` from MathExtras.h instead?

https://github.com/llvm/llvm-project/pull/139110