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[ubsan] Add -fsanitize-undefined-strip-path-components=N Summary: This option allows the user to control how much of the file name is emitted by UBSan. Tuning this option allows one to save space in the resulting binary, which is helpful for restricted execution environments. With a positive N, UBSan skips the first N path components. With a negative N, UBSan only keeps the last N path components. Reviewers: rsmith Subscribers: cfe-commits Differential Revision: http://reviews.llvm.org/D19666 llvm-svn: 269309
2016-05-13 00:51:36 +08:00
// RUN: %clang %s -### -o %t.o -fsanitize-undefined-strip-path-components=42 2>&1 | FileCheck %s
// CHECK: "-fsanitize-undefined-strip-path-components=42"