[llvm] 8c54583 - [gn build] (manually) port 3b625060fc915

[Nico Weber via llvm-commits]

Author: Nico Weber
Date: 2021-01-28T13:26:37-05:00
New Revision: 8c54583b2e02bdb5d857af6100283eb97f29080b

URL: https://github.com/llvm/llvm-project/commit/8c54583b2e02bdb5d857af6100283eb97f29080b
DIFF: https://github.com/llvm/llvm-project/commit/8c54583b2e02bdb5d857af6100283eb97f29080b.diff

LOG: [gn build] (manually) port 3b625060fc915

Added: 
    

Modified: 
    llvm/utils/gn/secondary/libcxx/src/BUILD.gn

Removed: 
    


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diff  --git a/llvm/utils/gn/secondary/libcxx/src/BUILD.gn b/llvm/utils/gn/secondary/libcxx/src/BUILD.gn
index c98145b6c169..cf73739b251e 100644
--- a/llvm/utils/gn/secondary/libcxx/src/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/src/BUILD.gn
@@ -54,7 +54,7 @@ config("cxx_config") {
     "-Wno-covered-switch-default",
   ]
   cflags_cc = [
-    "-std=c++17",
+    "-std=c++20",
     "-nostdinc++",
   ]
   defines = [ "_LIBCPP_BUILDING_LIBRARY" ]