[clang][serialization] Allow special types to be empty

jansvoboda11 · jansvoboda11 · commit 3c4ec688a8e8 · 2024-11-11T11:17:12.000-08:00
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
@@ -3522,6 +3522,9 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F,
         break;
       }
 
+      if (Record.empty())
+        break;
+
       if (SpecialTypes.size() != Record.size())
         return llvm::createStringError(std::errc::illegal_byte_sequence,
                                        "invalid special-types record");

Original file line number	Diff line number	Diff line change
`@@ -3522,6 +3522,9 @@ llvm::Error ASTReader::ReadASTBlock(ModuleFile &F,`
`3522`	`3522`	`break;`
`3523`	`3523`	`}`
`3524`	`3524`
	`3525`	`+ if (Record.empty())`
	`3526`	`+ break;`
	`3527`	`+`
`3525`	`3528`	`if (SpecialTypes.size() != Record.size())`
`3526`	`3529`	`return llvm::createStringError(std::errc::illegal_byte_sequence,`
`3527`	`3530`	`"invalid special-types record");`