llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-driver

Author: None (anoopkg6)

<details>
<summary>Changes</summary>

Making -funwind-tables by default for SystemZ like other architectures in 
driver by setting UnwindTableLevel::Asynchronous.
This enables eh_frame to be generated by default.

---
Full diff: https://github.com/llvm/llvm-project/pull/139764.diff


1 Files Affected:

- (modified) clang/lib/Driver/ToolChains/Gnu.cpp (+1) 


``````````diff
diff --git a/clang/lib/Driver/ToolChains/Gnu.cpp 
b/clang/lib/Driver/ToolChains/Gnu.cpp
index 8397f1121ec2c..73e372537927c 100644
--- a/clang/lib/Driver/ToolChains/Gnu.cpp
+++ b/clang/lib/Driver/ToolChains/Gnu.cpp
@@ -3103,6 +3103,7 @@ Generic_GCC::getDefaultUnwindTableLevel(const ArgList 
&Args) const {
   case llvm::Triple::ppc64le:
   case llvm::Triple::riscv32:
   case llvm::Triple::riscv64:
+  case llvm::Triple::systemz:
   case llvm::Triple::x86:
   case llvm::Triple::x86_64:
     return UnwindTableLevel::Asynchronous;

``````````

</details>


https://github.com/llvm/llvm-project/pull/139764
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