[clang] [Driver] Simplify linking of ubsan_standalone_cxx (PR #120938)

[Vitaly Buka via cfe-commits]

https://github.com/vitalybuka created 
https://github.com/llvm/llvm-project/pull/120938

None

>From 1b260afe040e879e2202004ff8e33634666f586f Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalyb...@google.com>
Date: Sun, 22 Dec 2024 23:48:48 -0800
Subject: [PATCH] =?UTF-8?q?[=F0=9D=98=80=F0=9D=97=BD=F0=9D=97=BF]=20initia?=
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Created using spr 1.3.4
---
 clang/lib/Driver/ToolChains/CommonArgs.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp 
b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index 47df650e5b9486..e33fa443b3a0ec 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -1561,8 +1561,6 @@ collectSanitizerRuntimes(const ToolChain &TC, const 
ArgList &Args,
       StaticRuntimes.push_back("ubsan_minimal");
     } else {
       StaticRuntimes.push_back("ubsan_standalone");
-      if (SanArgs.linkCXXRuntimes())
-        StaticRuntimes.push_back("ubsan_standalone_cxx");
     }
   }
   if (SanArgs.needsSafeStackRt()) {
@@ -1572,11 +1570,13 @@ collectSanitizerRuntimes(const ToolChain &TC, const 
ArgList &Args,
   if (!(SanArgs.needsSharedRt() && SanArgs.needsUbsanRt())) {
     if (SanArgs.needsCfiRt())
       StaticRuntimes.push_back("cfi");
-    if (SanArgs.needsCfiDiagRt()) {
+    if (SanArgs.needsCfiDiagRt())
       StaticRuntimes.push_back("cfi_diag");
-      if (SanArgs.linkCXXRuntimes())
-        StaticRuntimes.push_back("ubsan_standalone_cxx");
-    }
+  }
+  if (SanArgs.linkCXXRuntimes() && !SanArgs.requiresMinimalRuntime() &&
+      ((!SanArgs.needsSharedRt() && SanArgs.needsUbsanRt()) ||
+       SanArgs.needsCfiDiagRt())) {
+    StaticRuntimes.push_back("ubsan_standalone_cxx");
   }
   if (SanArgs.needsStatsRt()) {
     NonWholeStaticRuntimes.push_back("stats");

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