From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Mon, 8 Dec 2014 08:48:17 +0000 (+0000)
Subject: [libclang] Reflect in USR generation that 'signed char' and 'unsigned char' can overl... 
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ca044547d231b53a6d15423d7122ffe31debaa97;p=platform%2Fupstream%2Fllvm.git

[libclang] Reflect in USR generation that 'signed char' and 'unsigned char' can overload a 'char' in C++, by giving them distinct encodings.

llvm-svn: 223629
---

diff --git a/clang/lib/Index/USRGeneration.cpp b/clang/lib/Index/USRGeneration.cpp
index 7f9417b..5b917c9 100644
--- a/clang/lib/Index/USRGeneration.cpp
+++ b/clang/lib/Index/USRGeneration.cpp
@@ -569,8 +569,9 @@ void USRGenerator::VisitType(QualType T) {
         case BuiltinType::UInt128:
           c = 'j'; break;
         case BuiltinType::Char_S:
-        case BuiltinType::SChar:
           c = 'C'; break;
+        case BuiltinType::SChar:
+          c = 'r'; break;
         case BuiltinType::WChar_S:
         case BuiltinType::WChar_U:
           c = 'W'; break;
diff --git a/clang/test/Index/usrs.cpp b/clang/test/Index/usrs.cpp
index dca141e..f277740 100644
--- a/clang/test/Index/usrs.cpp
+++ b/clang/test/Index/usrs.cpp
@@ -83,6 +83,10 @@ template <class T> typename T::A someTemplFn() {}
 template <class T> typename T::B someTemplFn() {}
 template <class T> int someTemplFn() {}
 
+void funWithChar(char c) {}
+void funWithChar(unsigned char c) {}
+void funWithChar(signed char c) {}
+
 // RUN: c-index-test -test-load-source-usrs all %s | FileCheck %s
 // CHECK: usrs.cpp c:@N@foo Extent=[1:1 - 4:2]
 // CHECK: usrs.cpp c:@N@foo@x Extent=[2:3 - 2:8]
@@ -147,6 +151,11 @@ template <class T> int someTemplFn() {}
 // CHECK: usrs.cpp c:usrs.cpp@aN@C@RDar9371763_Foo@F@bar# Extent=[75:1 - 75:31]
 // CHECK: usrs.cpp c:@F@rdar9371763# Extent=[77:1 - 80:2]
 // CHECK: usrs.cpp c:usrs.cpp@1204@F@rdar9371763#@foo Extent=[78:3 - 78:22]
+
 // CHECK: usrs.cpp c:@FT@>1#TsomeTemplFn#^type-parameter-0-0:::A# Extent=[82:1 - 82:50]
 // CHECK: usrs.cpp c:@FT@>1#TsomeTemplFn#^type-parameter-0-0:::B# Extent=[83:1 - 83:50]
 // CHECK: usrs.cpp c:@FT@>1#TsomeTemplFn#I# Extent=[84:1 - 84:40]
+
+// CHECK: usrs.cpp c:@F@funWithChar#C# Extent=[86:1 - 86:28]
+// CHECK: usrs.cpp c:@F@funWithChar#c# Extent=[87:1 - 87:37]
+// CHECK: usrs.cpp c:@F@funWithChar#r# Extent=[88:1 - 88:35]