sys/targets: switch to C++17

Let's see if we can get away with C++17 for all our toolchains.
The later standard we can use, the better. C++17 has a number
of nice features, e.g. std::optional.

1 files changed, 1 insertions, 1 deletions

diff --git a/sys/targets/targets.go b/sys/targets/targets.go
index d444f55aa..afc21d545 100644
--- a/sys/targets/targets.go
+++ b/sys/targets/targets.go
@@ -620,7 +620,7 @@ var (
 	// These are used only when building executor.
 	// For C repros and syz-extract, we build C source files.
 	commonCxxFlags = []string{
-		"-std=c++14",
+		"-std=c++17",
 		"-I.",
 		"-Iexecutor/_include",
 	}