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InstrProf: Change magic number to have non-text characters

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Include non-text characters in the magic number so that text files can't
match.

<rdar://problem/15950346>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204513 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-03-21 20:42:37 +00:00
parent bc2740a598
commit 813d0a2761
3 changed files with 10 additions and 10 deletions
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4
test/tools/llvm-profdata/raw-magic-but-no-header.test
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@@ -1,6 +1,6 @@
RUN: printf "warforpl" > %t
RUN: printf '\201rforpl\377' > %t
RUN: not llvm-profdata show %t 2>&1 | FileCheck %s
RUN: printf "lprofraw" > %t
RUN: printf '\377lprofr\201' > %t
RUN: not llvm-profdata show %t 2>&1 | FileCheck %s
CHECK: error: {{.+}}: Invalid header