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[dsymutil] Print warning/error for unknown/missing arguments.

Authored by JDevlieghere on Oct 16 2019, 2:48 PM.

Description

[dsymutil] Print warning/error for unknown/missing arguments.

After changing dsymutil to use libOption, we lost error reporting for
missing required arguments (input files). Additionally, we stopped
complaining about unknown arguments. This patch fixes both and adds a
test.

llvm-svn: 375044

Details

Committed
JDevlieghereOct 16 2019, 2:48 PM
Parents
rG6d1891c508fe: [AArch64] Fix offset calculation
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