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[llvm-strip] Error when using stdin twice
Summary: Implements bug [[ https://bugs.llvm.org/show_bug.cgi?id=42204 | 42204 ]]. llvm-strip now warns when the same input file is used more than once, and errors when stdin is used more than once. Reviewers: jhenderson, rupprecht, espindola, alexshap Reviewed By: jhenderson, rupprecht Subscribers: emaste, arichardson, jakehehrlich, MaskRay, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D63122 llvm-svn: 363638
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## Test llvm-strip using the same input file more than once. | ||
## When using stdin ('-') more than once llvm-strip should give an error | ||
## while a file more than once should be simply a warning. | ||
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# RUN: yaml2obj %s -o %t | ||
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# RUN: not llvm-strip - - < %t 2>&1 | FileCheck -check-prefix=ERR %s | ||
# RUN: not llvm-strip - %t - < %t 2>&1 | FileCheck -check-prefix=ERR %s | ||
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# ERR: error: cannot specify '-' as an input file more than once | ||
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# RUN: llvm-strip %t %t 2>&1 | FileCheck -check-prefix=WARN %s -DFILE=%t | ||
# RUN: llvm-strip %t %t %t 2>&1 | FileCheck -check-prefix=WARN %s -DFILE=%t | ||
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# WARN: warning: '[[FILE]]' was already specified | ||
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--- !ELF | ||
FileHeader: | ||
Class: ELFCLASS64 | ||
Data: ELFDATA2LSB | ||
Type: ET_REL | ||
Machine: EM_X86_64 | ||
Sections: | ||
- Name: .alloc | ||
Type: SHT_PROGBITS | ||
Flags: [ SHF_ALLOC ] |
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