[llvm] 51a91d6 - [gn build] port b1356504e63ae (c++17)

[Nico Weber via llvm-commits]

Author: Nico Weber
Date: 2022-08-06T07:51:06-04:00
New Revision: 51a91d6c5d87fb85945f8c99b1e678e05d0723c0

URL: https://github.com/llvm/llvm-project/commit/51a91d6c5d87fb85945f8c99b1e678e05d0723c0
DIFF: https://github.com/llvm/llvm-project/commit/51a91d6c5d87fb85945f8c99b1e678e05d0723c0.diff

LOG: [gn build] port b1356504e63ae (c++17)

Added: 
    

Modified: 
    llvm/utils/gn/build/BUILD.gn

Removed: 
    


################################################################################
diff  --git a/llvm/utils/gn/build/BUILD.gn b/llvm/utils/gn/build/BUILD.gn
index 5e7131cd0ded2..23200402905b3 100644
--- a/llvm/utils/gn/build/BUILD.gn
+++ b/llvm/utils/gn/build/BUILD.gn
@@ -117,7 +117,7 @@ config("compiler_defaults") {
       ldflags += [ "-Wl,--color-diagnostics" ]
     }
     cflags_cc += [
-      "-std=c++14",
+      "-std=c++17",
       "-fvisibility-inlines-hidden",
     ]
   } else {
@@ -160,7 +160,10 @@ config("compiler_defaults") {
       "_UNICODE",
       "UNICODE",
     ]
-    cflags += [ "/EHs-c-" ]
+    cflags += [
+      "/std:c++17",
+      "/EHs-c-",
+    ]
 
     # The MSVC default value (1 MB) is not enough for parsing recursive C++
     # templates in Clang.