[llvm] 3ac84c4 - Reland "[gn build] (manually) port 6316129e066e"

[Nico Weber via llvm-commits]

Author: Nico Weber
Date: 2022-03-18T15:43:02-04:00
New Revision: 3ac84c430bac587d5c725487919f559d2cfb746a

URL: https://github.com/llvm/llvm-project/commit/3ac84c430bac587d5c725487919f559d2cfb746a
DIFF: https://github.com/llvm/llvm-project/commit/3ac84c430bac587d5c725487919f559d2cfb746a.diff

LOG: Reland "[gn build] (manually) port 6316129e066e"

This reverts commit 21b97df74c15aa29a9d5ca54e3033eae6c97362d.
6316129e066e relanded in 7b983917d455.

Added: 
    

Modified: 
    llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn

Removed: 
    


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diff  --git a/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn b/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
index 6cd6c4f2af9e7..506c72b462e25 100644
--- a/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
+++ b/llvm/utils/gn/secondary/llvm/include/llvm/Config/BUILD.gn
@@ -349,6 +349,7 @@ write_cmake_config("llvm-config") {
     "LLVM_NATIVE_TARGETINFO=1",
     "LLVM_NATIVE_TARGETMC=1",
     "LLVM_NATIVE_TARGETMCA=1",
+    "LLVM_UNREACHABLE_OPTIMIZE=1",
     "LLVM_USE_INTEL_JITEVENTS=",
     "LLVM_USE_OPROFILE=",
     "LLVM_USE_PERF=",