From f6d3d70cadfc03036f5fdc4f89b7fcb225792716 Mon Sep 17 00:00:00 2001
From: Weiqun Zhang <WeiqunZhang@lbl.gov>
Date: Sat, 11 Jan 2025 20:57:17 -0800
Subject: [PATCH] Make ParmParse Parser more robust (#4291)

It's now allowed to call ParmParse Parser functions (e.g.,
queryAddWithParser) outside OpenMP parallel regions before ParmParse is
initialized.
---
 Src/Base/AMReX_ParmParse.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Src/Base/AMReX_ParmParse.cpp b/Src/Base/AMReX_ParmParse.cpp
index 3ecfc8503a..6a1fda5bc0 100644
--- a/Src/Base/AMReX_ParmParse.cpp
+++ b/Src/Base/AMReX_ParmParse.cpp
@@ -28,7 +28,7 @@ namespace amrex {
 namespace {
     bool initialized = false;
     ParmParse::Table g_table;
-    std::vector<std::set<std::string>> g_parser_recursive_symbols;
+    std::vector<std::set<std::string>> g_parser_recursive_symbols(1);
     namespace pp_detail {
         int verbose = -1;
     }
@@ -1205,6 +1205,7 @@ ParmParse::Finalize ()
 #endif
 
     g_parser_recursive_symbols.clear();
+    g_parser_recursive_symbols.resize(1);
 
     pp_detail::verbose = -1;
     initialized = false;