https://github.com/adrian-prantl updated
https://github.com/llvm/llvm-project/pull/89433
>From 162907c6527464f828756b7152e2364ae3be88b5 Mon Sep 17 00:00:00 2001
From: Adrian Prantl <apra...@apple.com>
Date: Fri, 19 Apr 2024 11:08:16 -0700
Subject: [PATCH] [lldb] Provide a better error message for missing symbols
This adds a hint to the missing symbols error message to make it
easier to understand what this means to users.
---
lldb/source/Expression/IRExecutionUnit.cpp | 4 +++-
lldb/test/API/lang/cpp/constructors/TestCppConstructors.py | 2 +-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/lldb/source/Expression/IRExecutionUnit.cpp
b/lldb/source/Expression/IRExecutionUnit.cpp
index cb9bee8733e15d..07df8c52a2a4f0 100644
--- a/lldb/source/Expression/IRExecutionUnit.cpp
+++ b/lldb/source/Expression/IRExecutionUnit.cpp
@@ -431,7 +431,9 @@ void IRExecutionUnit::GetRunnableInfo(Status &error,
lldb::addr_t &func_addr,
}
m_failed_lookups.clear();
-
+ ss.PutCString(
+ "\nHint: The expression tried to call a function that is not present "
+ "in the target, perhaps because it was optimized out by the
compiler.");
error.SetErrorString(ss.GetString());
return;
diff --git a/lldb/test/API/lang/cpp/constructors/TestCppConstructors.py
b/lldb/test/API/lang/cpp/constructors/TestCppConstructors.py
index 6724bfc8ed78e0..140877adba735a 100644
--- a/lldb/test/API/lang/cpp/constructors/TestCppConstructors.py
+++ b/lldb/test/API/lang/cpp/constructors/TestCppConstructors.py
@@ -47,7 +47,7 @@ def test_constructors(self):
self.expect(
"expr ClassWithDeletedDefaultCtor().value",
error=True,
- substrs=["Couldn't look up symbols:"],
+ substrs=["Couldn't look up symbols:", "function missing"],
)
@skipIfWindows # Can't find operator new.
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