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[build] Increase linker optimization level to match Flutter and Fuchsia.

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Reduces VM code size by about 15k.

Change-Id: Icaa1a5278855f88f7ce702802d6aaa62639cfac5
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/205120
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Ryan Macnak <rmacnak@google.com>
This commit is contained in:
Ryan Macnak 2021-06-28 18:55:11 +00:00 committed by commit-bot@chromium.org
parent 9c190c5e00
commit 1acc926edd
1 changed files with 4 additions and 1 deletions
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5
build/config/compiler/BUILD.gn
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@ -698,7 +698,10 @@ if (is_win) {
]
}
common_optimize_on_ldflags = [
# Linker GC.
"/OPT:REF",
# Identical code folding to reduce size.
# Warning: This changes C/C++ semantics of function pointer comparison.
"/OPT:ICF",
]
} else {
@ -729,7 +732,7 @@ if (is_win) {
common_optimize_on_ldflags += [
# Specifically tell the linker to perform optimizations.
# See http://lwn.net/Articles/192624/ .
"-Wl,-O1",
"-Wl,-O2",
"-Wl,--gc-sections",
]