[flang-commits] [flang] 1b69dfe - [flang] Turn -Werror back off for Flang build (#175689)

[via flang-commits]

Author: Peter Klausler
Date: 2026-01-12T17:02:53-08:00
New Revision: 1b69dfeaf88106340937c9950f758792259a9fc4

URL: https://github.com/llvm/llvm-project/commit/1b69dfeaf88106340937c9950f758792259a9fc4
DIFF: https://github.com/llvm/llvm-project/commit/1b69dfeaf88106340937c9950f758792259a9fc4.diff

LOG: [flang] Turn -Werror back off for Flang build (#175689)

Different build environments are picking up warnings that my testing
didn't expose; turn -Werror back off.
(And also delete an unused data member that was triggering some MSVC
warnings.)

Added: 
    

Modified: 
    flang/CMakeLists.txt
    flang/include/flang/Semantics/expression.h

Removed: 
    


################################################################################
diff  --git a/flang/CMakeLists.txt b/flang/CMakeLists.txt
index 390cfe749f962..c01eb56d5e496 100644
--- a/flang/CMakeLists.txt
+++ b/flang/CMakeLists.txt
@@ -37,7 +37,7 @@ if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR AND NOT MSVC_IDE)
           `CMakeFiles'. Please delete them.")
 endif()
 
-option(FLANG_ENABLE_WERROR "Fail and stop building flang if a warning is triggered." ON)
+option(FLANG_ENABLE_WERROR "Fail and stop building flang if a warning is triggered." OFF)
 
 # Check for a standalone build and configure as appropriate from
 # there.

diff  --git a/flang/include/flang/Semantics/expression.h b/flang/include/flang/Semantics/expression.h
index 3392b797c311e..50f75b2304d95 100644
--- a/flang/include/flang/Semantics/expression.h
+++ b/flang/include/flang/Semantics/expression.h
@@ -429,7 +429,6 @@ class ExpressionAnalyzer {
   bool inDataStmtConstant_{false};
   bool inStmtFunctionDefinition_{false};
   bool iterativelyAnalyzingSubexpressions_{false};
-  bool inDeadCode_{false};
   friend class ArgumentAnalyzer;
 };