$OpenBSD: patch-build_setup_pm,v 1.5 2019/01/04 09:27:09 pascal Exp $
Index: build/setup.pm
--- build/setup.pm.orig
+++ build/setup.pm
@@ -279,7 +279,7 @@ our %COMPILERS = (
 
         ccmiscflags  => '-Werror=declaration-after-statement -Werror=pointer-arith',
         ccwarnflags  => '',
-        ccoptiflags  => '-O%s -DNDEBUG',
+        ccoptiflags  => '-DNDEBUG',
         ccdebugflags => '-g%s',
         ccinstflags  => '-pg',
         ccjitflags   => '',
@@ -334,7 +334,7 @@ our %COMPILERS = (
 
         ccmiscflags  =>  '-fno-omit-frame-pointer -fno-optimize-sibling-calls',
         ccwarnflags  => '-Wno-logical-op-parentheses',
-        ccoptiflags  => '-O%s -DNDEBUG',
+        ccoptiflags  => '-DNDEBUG',
         ccdebugflags => '-g%s',
         ccinstflags  => '-fsanitize=address',
         cc_covflags => '-fprofile-instr-generate -fcoverage-mapping',
