commit 9e33b76c67638bdc740ed967e53c8c6489dcbbd3
author Yi Kong <yikong@google.com> Fri Oct 29 02:43:22 2021 +0800
committer Yi Kong <yikong@google.com> Thu Nov 04 01:03:11 2021 +0800
tree 4ec021f5d6ae62203c8497658a449f7952a954f5
parent fe95fe354f085ede5dee1306ea1591514a72ae2b

Re-enable LTO for linker

Clang cannot build ifunc with LTO. This is a KI: https://bugs.llvm.org/show_bug.cgi?id=46488

Move the LTO: never down to libc itself, so that we can have LTO for the
rest of linker.

Test: m GLOBAL_THINLTO=true linker
Change-Id: I483fc3944e340638a664fb390279e211c2ae224b

libc/Android.bp

diff --git a/libc/Android.bp b/libc/Android.bp
index 36d2019..00904aa 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -122,6 +122,10 @@
             cflags: ["-DUSE_SCUDO"],
         },
     },
+
+    lto: {
+        never: true,
+    },
 }
 
 libc_scudo_product_variables = {
@@ -1782,9 +1786,6 @@
         "com.android.runtime",
     ],
 
-    lto: {
-        never: true,
-    },
     target: {
         native_bridge: {
             shared: {