1! Test for warnings generated when parsing driver options. You can use this file for relatively small tests and to avoid creating 2! new test files. 3 4! RUN: %flang -### -S -O4 -ffp-contract=on %s 2>&1 | FileCheck %s 5 6! CHECK: warning: the argument 'on' is not supported for option 'ffp-contract='. Mapping to 'ffp-contract=off' 7! CHECK: warning: -O4 is equivalent to -O3 8! CHECK-LABEL: "-fc1" 9! CHECK: -ffp-contract=off 10! CHECK: -O3 11