[clang] [clang] Fix ignoring converted first arg of elementwise_fma (PR #154941)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

<details>
<summary>Changes</summary>

Checking CI.


Fixes #<!-- -->154900

---
Full diff: https://github.com/llvm/llvm-project/pull/154941.diff


1 Files Affected:

- (modified) clang/lib/Sema/SemaChecking.cpp (+1) 


``````````diff
diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index 1d3cd58c77dc5..6e777fb9aec8e 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -15955,6 +15955,7 @@ bool Sema::BuiltinElementwiseTernaryMath(
       return true;
   }
 
+  TheCall->setArg(0, Args[0]);
   for (int I = 1; I < 3; ++I) {
     if (Args[0]->getType().getCanonicalType() !=
         Args[I]->getType().getCanonicalType()) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/154941