From 70b09944f50bd05646eb443f9d17d0c0d1bd9947 Mon Sep 17 00:00:00 2001
From: Benjamin Schwendinger <52290390+ben-schwen@users.noreply.github.com>
Date: Thu, 21 Dec 2023 14:50:05 +0100
Subject: [PATCH] update flags to #5509

---
 .devcontainer/r-devel-clang-ubsan/Dockerfile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/.devcontainer/r-devel-clang-ubsan/Dockerfile b/.devcontainer/r-devel-clang-ubsan/Dockerfile
index a0bb93746..81901552d 100644
--- a/.devcontainer/r-devel-clang-ubsan/Dockerfile
+++ b/.devcontainer/r-devel-clang-ubsan/Dockerfile
@@ -14,6 +14,7 @@ RUN echo 'Sys.setenv(PROJ_PATH="/workspaces/data.table")\nsource(".dev/cc.R")' >
 
 # set ubsan flags
 RUN mkdir -p ~/.R \
-  && echo 'CC=clang -fsanitize=undefined -fno-omit-frame-pointer' > ~/.R/Makevars \
-  && echo 'CXX=clang++ -stdlib=libc++ -fsanitize=undefined -fno-omit-frame-pointer' >> ~/.R/Makevars \
-  && echo 'LDFLAGS=-L/usr/local/clang/lib64 -L/usr/local/lib64 -lubsan' >> ~/.R/Makevars
+        && echo 'CC=clang -fsanitize=undefined -fno-sanitize=float-divide-by-zero -fno-sanitize=alignment -fno-omit-frame-pointer' > ~/.R/Makevars \
+        && echo 'CXX=clang++ -stdlib=libc++ -fsanitize=undefined -fno-sanitize=float-divide-by-zero -fno-sanitize=alignment -fno-omit-frame-pointer' >> ~/.R/Makevars \
+        && echo 'CFLAGS=-g -O3 -Wall -pedantic' >> ~/.R/Makevars \
+        && echo 'LDFLAGS=-L/usr/local/clang/lib64 -L/usr/local/lib64 -lubsan' >> ~/.R/Makevars