[llvm] [NFC] Fix memory leak in ConstantsTest (PR #170789)

[Vitaly Buka via llvm-commits]

https://github.com/vitalybuka created https://github.com/llvm/llvm-project/pull/170789

Leak introduced with #164381.


>From fb7a0a713d7d7f07fa6b5e7b72a1f2975ce7b6c7 Mon Sep 17 00:00:00 2001
From: Vitaly Buka <vitalybuka at google.com>
Date: Thu, 4 Dec 2025 17:28:38 -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 1.3.7
---
 llvm/unittests/IR/ConstantsTest.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/unittests/IR/ConstantsTest.cpp b/llvm/unittests/IR/ConstantsTest.cpp
index 86fd6a398cc97..5b845865f9437 100644
--- a/llvm/unittests/IR/ConstantsTest.cpp
+++ b/llvm/unittests/IR/ConstantsTest.cpp
@@ -862,6 +862,7 @@ TEST(ConstantsTest, Float128Test) {
   uint64_t r[1] = {0x0000000000003c00}; //+1
   LLVMValueRef val7 = LLVMConstFPFromBits(TyHalf, r);
   EXPECT_TRUE(val7 != nullptr);
+  LLVMDisposeBuilder(Builder);
   LLVMContextDispose(C);
 }