Generalize the consumed-parameter array on FunctionProtoType

to allow arbitrary data to be associated with a parameter.

Also, fix a bug where we apparently haven't been serializing
this information for the last N years.

llvm-svn: 262278

1 files changed, 11 insertions, 0 deletions

diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 82bc92c806a..4eef6cfbff4 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -5387,6 +5387,17 @@ QualType ASTReader::readTypeRecord(unsigned Index) {
     for (unsigned I = 0; I != NumParams; ++I)
       ParamTypes.push_back(readType(*Loc.F, Record, Idx));
 
+    SmallVector<FunctionProtoType::ExtParameterInfo, 4> ExtParameterInfos;
+    if (Idx != Record.size()) {
+      for (unsigned I = 0; I != NumParams; ++I)
+        ExtParameterInfos.push_back(
+          FunctionProtoType::ExtParameterInfo
+                           ::getFromOpaqueValue(Record[Idx++]));
+      EPI.ExtParameterInfos = ExtParameterInfos.data();
+    }
+
+    assert(Idx == Record.size());
+
     return Context.getFunctionType(ResultType, ParamTypes, EPI);
   }