[clang] [clang][NFC] Make ASTContext::getPointerAuthTypeDiscriminator const (PR #122931)

[Timm Baeder via cfe-commits]

https://github.com/tbaederr created https://github.com/llvm/llvm-project/pull/122931

Can be const, should be const.

>From a0b0ae9f99527d6b9a61bece67fee96b696c0eaf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timm=20B=C3=A4der?= <tbaeder at redhat.com>
Date: Tue, 14 Jan 2025 17:34:02 +0100
Subject: [PATCH] [clang][NFC] Make ASTContext::getPointerAuthTypeDiscriminator
 const

---
 clang/include/clang/AST/ASTContext.h | 2 +-
 clang/lib/AST/ASTContext.cpp         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/clang/include/clang/AST/ASTContext.h b/clang/include/clang/AST/ASTContext.h
index 0e07c5d6ce8fba..6ed6dd00f5bc70 100644
--- a/clang/include/clang/AST/ASTContext.h
+++ b/clang/include/clang/AST/ASTContext.h
@@ -1343,7 +1343,7 @@ class ASTContext : public RefCountedBase<ASTContext> {
   getPointerAuthVTablePointerDiscriminator(const CXXRecordDecl *RD);
 
   /// Return the "other" type-specific discriminator for the given type.
-  uint16_t getPointerAuthTypeDiscriminator(QualType T);
+  uint16_t getPointerAuthTypeDiscriminator(QualType T) const;
 
   /// Apply Objective-C protocol qualifiers to the given type.
   /// \param allowOnPointerType specifies if we can apply protocol
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index be1dd29d462788..a6694aeda05f6d 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -3489,7 +3489,7 @@ static void encodeTypeForFunctionPointerAuth(const ASTContext &Ctx,
   }
 }
 
-uint16_t ASTContext::getPointerAuthTypeDiscriminator(QualType T) {
+uint16_t ASTContext::getPointerAuthTypeDiscriminator(QualType T) const {
   assert(!T->isDependentType() &&
          "cannot compute type discriminator of a dependent type");