env/corellium: bump minimum ios version

Updates golang/go#48076

Change-Id: Iaa84eb3eaea5de2cc844ea5b92e397879d190858
Reviewed-on: https://go-review.googlesource.com/c/build/+/366934
Trust: Roland Shoemaker <roland@golang.org>
Run-TryBot: Roland Shoemaker <roland@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
diff --git a/env/corellium/ios/files/clangwrap.go b/env/corellium/ios/files/clangwrap.go
index c2c9499..7278e47 100755
--- a/env/corellium/ios/files/clangwrap.go
+++ b/env/corellium/ios/files/clangwrap.go
@@ -24,7 +24,7 @@
 		os.Exit(1)
 	}
 	args := os.Args[1:]
-	cmd := exec.Command("clang", "-isysroot", sdkpath, "-mios-version-min=6.0")
+	cmd := exec.Command("clang", "-isysroot", sdkpath, "-mios-version-min=12.0")
 	cmd.Args = append(cmd.Args, args...)
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr