[flang-commits] [flang] [flang] Fix flang debug build (PR #213508)

[lonely eagle via flang-commits]

https://github.com/linuxlonelyeagle created https://github.com/llvm/llvm-project/pull/213508

This PR fixes an undefined symbol error when building Flang in debug mode. Here is a brief error log:
`/usr/bin/ld:lib/libFIRBuilder.a(MIFCommon.cpp.o): in function Fortran::evaluate::FunctionRef<Fortran::evaluate::Type<(Fortran::common::TypeCategory)4, 1> >::~FunctionRef()':`.

>From 47ac576752ca0c08473b6be67239441817cd2460 Mon Sep 17 00:00:00 2001
From: linuxlonelyeagle <2020382038 at qq.com>
Date: Sun, 2 Aug 2026 06:26:32 +0000
Subject: [PATCH] fix flang debug build.

---
 flang/lib/Optimizer/Builder/CMakeLists.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/flang/lib/Optimizer/Builder/CMakeLists.txt b/flang/lib/Optimizer/Builder/CMakeLists.txt
index b77e21d40476c..99d0da81afdd3 100644
--- a/flang/lib/Optimizer/Builder/CMakeLists.txt
+++ b/flang/lib/Optimizer/Builder/CMakeLists.txt
@@ -56,6 +56,7 @@ add_flang_library(FIRBuilder
   FortranSupport
   HLFIRDialect
   MIFDialect
+  FortranEvaluate
 
   MLIR_DEPS
   ${dialect_libs}