From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Sat, 21 Apr 2012 17:47:47 +0000 (+0000)
Subject: Fix serialization of uninstantiated exception specifications. Patch by Li Kan,
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7bb698aa054de4c0e0aa23973b2c62dac9611262;p=clang

Fix serialization of uninstantiated exception specifications. Patch by Li Kan,
test by me.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155289 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Serialization/ASTReader.cpp b/lib/Serialization/ASTReader.cpp
index 06b42f3ab1..fd0c171394 100644
--- a/lib/Serialization/ASTReader.cpp
+++ b/lib/Serialization/ASTReader.cpp
@@ -3866,6 +3866,9 @@ QualType ASTReader::readTypeRecord(unsigned Index) {
       EPI.Exceptions = Exceptions.data();
     } else if (EST == EST_ComputedNoexcept) {
       EPI.NoexceptExpr = ReadExpr(*Loc.F);
+    } else if (EST == EST_Uninstantiated) {
+      EPI.ExceptionSpecDecl = ReadDeclAs<FunctionDecl>(*Loc.F, Record, Idx);
+      EPI.ExceptionSpecTemplate = ReadDeclAs<FunctionDecl>(*Loc.F, Record, Idx);
     }
     return Context.getFunctionType(ResultType, ParamTypes.data(), NumParams,
                                     EPI);
diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index e9c0596bec..29ea01b914 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -195,6 +195,9 @@ void ASTTypeWriter::VisitFunctionProtoType(const FunctionProtoType *T) {
       Writer.AddTypeRef(T->getExceptionType(I), Record);
   } else if (T->getExceptionSpecType() == EST_ComputedNoexcept) {
     Writer.AddStmt(T->getNoexceptExpr());
+  } else if (T->getExceptionSpecType() == EST_Uninstantiated) {
+    Writer.AddDeclRef(T->getExceptionSpecDecl(), Record);
+    Writer.AddDeclRef(T->getExceptionSpecTemplate(), Record);
   }
   Code = TYPE_FUNCTION_PROTO;
 }
diff --git a/test/PCH/cxx11-exception-spec.cpp b/test/PCH/cxx11-exception-spec.cpp
new file mode 100644
index 0000000000..3fca4e48ac
--- /dev/null
+++ b/test/PCH/cxx11-exception-spec.cpp
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 -pedantic-errors -std=c++11 -emit-pch %s -o %t
+// RUN: %clang_cc1 -pedantic-errors -std=c++11 -include-pch %t -verify %s
+
+#ifndef HEADER_INCLUDED
+
+#define HEADER_INCLUDED
+
+template<bool b> int f() noexcept(b) {}
+decltype(f<false>()) a;
+decltype(f<true>()) b;
+
+#else
+
+static_assert(!noexcept(f<false>()), "");
+static_assert(noexcept(f<true>()), "");
+
+#endif