[clang] Revert "[clang][Interp] Improve "in call to" call argument printing" (PR #102785)

[Vitaly Buka via cfe-commits]

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/102785

Reverts llvm/llvm-project#102735

Breaks 

>From 7e8bb8c52f51fd6b41c0b6485b93fd0315b58bab Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka at gmail.com>
Date: Sat, 10 Aug 2024 19:55:54 -0700
Subject: [PATCH] Revert "[clang][Interp] Improve "in call to" call argument
 printing (#102735)"

This reverts commit 979abf142f606bf43a5500e59d72f1286a7180c7.
---
 clang/lib/AST/Interp/InterpFrame.cpp              |  5 ++---
 .../test/AST/Interp/constexpr-frame-describe.cpp  | 15 ---------------
 2 files changed, 2 insertions(+), 18 deletions(-)

diff --git a/clang/lib/AST/Interp/InterpFrame.cpp b/clang/lib/AST/Interp/InterpFrame.cpp
index 4530f28d694e84..27108f957305f3 100644
--- a/clang/lib/AST/Interp/InterpFrame.cpp
+++ b/clang/lib/AST/Interp/InterpFrame.cpp
@@ -102,9 +102,8 @@ void InterpFrame::popArgs() {
 }
 
 template <typename T>
-static void print(llvm::raw_ostream &OS, const T &V, ASTContext &ASTCtx,
-                  QualType Ty) {
-  V.toAPValue(ASTCtx).printPretty(OS, ASTCtx, Ty);
+static void print(llvm::raw_ostream &OS, const T &V, ASTContext &, QualType) {
+  OS << V;
 }
 
 template <>
diff --git a/clang/test/AST/Interp/constexpr-frame-describe.cpp b/clang/test/AST/Interp/constexpr-frame-describe.cpp
index a0ae046fc01786..e039fd61ae9812 100644
--- a/clang/test/AST/Interp/constexpr-frame-describe.cpp
+++ b/clang/test/AST/Interp/constexpr-frame-describe.cpp
@@ -81,18 +81,3 @@ static_assert(bar.fail2<int*, 42>()); // both-error {{constant expression}} \
 static_assert(bar.fail3(3, 4UL, bar, &bar)); // both-error {{constant expression}} \
                                              // expected-note {{in call to 'bar.fail3<int, unsigned long, Bar<int>, const Bar<int> *>(3, 4, &bar, &bar)'}} \
                                              // ref-note {{in call to 'bar.fail3<int, unsigned long, Bar<int>, const Bar<int> *>(3, 4, {}, &bar)'}}
-
-
-
-/// FIXME: Bound member pointer printing doesn't work right, see the last parameter to MemPtr().
-struct MemPtrTest {
-  int n;
-  void f();
-};
-MemPtrTest mpt; // both-note {{here}}
-constexpr int MemPtr(int (MemPtrTest::*a), void (MemPtrTest::*b)(), int &c) {
-  return c; // both-note {{read of non-constexpr variable 'mpt'}}
-}
-static_assert(MemPtr(&MemPtrTest::n, &MemPtrTest::f, mpt.*&MemPtrTest::n), ""); // both-error {{constant expression}} \
-                                                                                // expected-note {{in call to 'MemPtr(&MemPtrTest::n, &MemPtrTest::f, mpt)'}} \
-                                                                                // ref-note {{in call to 'MemPtr(&MemPtrTest::n, &MemPtrTest::f, mpt.n)'}}