[lldb] [llvm] Emit DIE's size in bits when size is not a multiple of 8 (PR #69741)

[Michael Buch via llvm-commits]

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@@ -2866,8 +2879,12 @@ void DWARFASTParserClang::ParseSingleMember(
   // Get the parent byte size so we can verify any members will fit
   const uint64_t parent_byte_size =
       parent_die.GetAttributeValueAsUnsigned(DW_AT_byte_size, UINT64_MAX);
-  const uint64_t parent_bit_size =
-      parent_byte_size == UINT64_MAX ? UINT64_MAX : parent_byte_size * 8;
+  uint64_t parent_bit_size;
+  if (parent_byte_size != UINT64_MAX)
+    parent_bit_size = parent_byte_size * 8;
+  else
+    parent_bit_size =
+        parent_die.GetAttributeValueAsUnsigned(DW_AT_bit_size, UINT64_MAX);
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Michael137 wrote:

DWARFASTParserClang has unittests where we sometimes use Yaml2Obj and directly invoke the parser. But it's quite finicky. Let me know if you run into troubles with it

https://github.com/llvm/llvm-project/pull/69741