================
@@ -3159,13 +3164,36 @@ Attr *ASTRecordReader::readAttr() {
return New;
}
-/// Reads attributes from the current stream position.
-void ASTRecordReader::readAttributes(AttrVec &Attrs) {
+/// Reads attributes from the current stream position, advancing Idx.
+/// For some attributes (where type depends on itself recursively), defer
+/// reading the attribute until the type has been read.
+void ASTRecordReader::readAttributes(AttrVec &Attrs, Decl *D) {
for (unsigned I = 0, E = readInt(); I != E; ++I)
- if (auto *A = readAttr())
+ if (auto *A = readOrDeferAttrFor(D))
Attrs.push_back(A);
}
+
+/// Reads one attribute from the current stream position, advancing Idx.
+/// For some attributes (where type depends on itself recursively), defer
+/// reading the attribute until the type has been read.
+Attr *ASTRecordReader::readOrDeferAttrFor(Decl *D) {
+ AttrReader Record(*this);
+ unsigned SkipCount = Record.readInt();
+ if (!SkipCount)
+ return readAttr();
----------------
VitaNuo wrote:
Makes sense! However, I also had to reorder the fields to write the attribute
kind before the skip count, since some code paths depend on reading the
(absent) attribute kind first and exiting the `readAtrr` function.
https://github.com/llvm/llvm-project/pull/122726
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