[clang] [Cygwin] Reduced number of inline elements of CallArgList. (PR #74977)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: 徐持恒 Xu Chiheng (xu-chiheng)

<details>
<summary>Changes</summary>

This fix bootstraping on Cygwin, using GCC 13.2.0 as stage 0 compiler.
It seems that the size of CallArgList can't exceed an unknown limit.  


---
Full diff: https://github.com/llvm/llvm-project/pull/74977.diff


1 Files Affected:

- (modified) clang/lib/CodeGen/CGCall.h (+1-1) 


``````````diff
diff --git a/clang/lib/CodeGen/CGCall.h b/clang/lib/CodeGen/CGCall.h
index aee86a3242fd3f..5c181b8c00867f 100644
--- a/clang/lib/CodeGen/CGCall.h
+++ b/clang/lib/CodeGen/CGCall.h
@@ -254,7 +254,7 @@ struct CallArg {
 
 /// CallArgList - Type for representing both the value and type of
 /// arguments in a call.
-class CallArgList : public SmallVector<CallArg, 8> {
+class CallArgList : public SmallVector<CallArg, 2> {
 public:
   CallArgList() = default;
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/74977