http://llvm.org/bugs/show_bug.cgi?id=17604
Bug ID: 17604
Summary: stringstream::width() leads to garbage fill characters
Product: libc++
Version: unspecified
Hardware: Macintosh
OS: MacOS X
Status: NEW
Severity: normal
Priority: P
Component: All Bugs
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 11383
--> http://llvm.org/bugs/attachment.cgi?id=11383&action=edit
example source code
% clang++ -v
Apple LLVM version 4.2 (clang-425.0.24) (based on LLVM 3.2svn)
Target: x86_64-apple-darwin12.2.0
Thread model: posix
% clang++ -std=c++11 -stdlib=libc++ stringstream_bug.cpp && ./a.out
'ÿÿÿ123'
See attached source code. Removing the '-stdlib=libc++' parameter generates
the correct output:
% clang++ -std=c++11 f.cpp && ./a.out
' 123'
Adding an explicit call to sstrm.fill(' ') also works around the problem.
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