Enable incremental linking in release component builds

build/config/win/BUILD.gn

Index: build/config/win/BUILD.gn
diff --git a/build/config/win/BUILD.gn b/build/config/win/BUILD.gn
index 48ac47e28a1bcc374fb14e4ed21592160749df26..b437516d6639ba7566e01db5ad14361f59fb2444 100644
--- a/build/config/win/BUILD.gn
+++ b/build/config/win/BUILD.gn
@@ -101,8 +101,11 @@ config("compiler") {
   # Ensures that the PDB file contains FIXUP information (growing the PDB file
   # by about 5%) but does not otherwise alter the output binary. This
   # information is used by the Syzygy optimization tool when decomposing the
-  # release image.
-  if (!is_debug && !is_win_fastlink && !is_clang) {
+  # release image. It is enabled for syzyasan builds and opportunistically for
+  # other builds where it is not prohibited (not supported when incrementally
+  # linking, using /debug:fastlink, or building with clang).
+  if (is_syzyasan ||
+      (!is_debug && !is_component_build && !is_win_fastlink && !is_clang)) {
     ldflags = [ "/PROFILE" ]
   }
 
@@ -312,8 +315,9 @@ config("windowed") {
 incremental_linking_on_switch = [ "/INCREMENTAL" ]
 incremental_linking_off_switch = [ "/INCREMENTAL:NO" ]
 
-# Disable incremental linking for syzyasan
-if (is_debug && !is_syzyasan) {
+# Disable incremental linking for syzyasan, enable for debug builds and all
+# component builds - any builds where performance is not job one.
+if ((is_debug || is_component_build) && !is_syzyasan) {
   default_incremental_linking_switch = incremental_linking_on_switch
 } else {
   default_incremental_linking_switch = incremental_linking_off_switch