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add an assertion requested on llvmdev.

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llvm-svn: 97769
This commit is contained in:
Chris Lattner 2010-03-05 00:49:08 +00:00
parent a92a5b8a6c
commit f42f70bfa1
1 changed files with 1 additions and 0 deletions
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lib/Support/raw_ostream.cpp
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@ -368,6 +368,7 @@ void format_object_base::home() {
/// if no error occurred.
raw_fd_ostream::raw_fd_ostream(const char *Filename, std::string &ErrorInfo,
unsigned Flags) : pos(0) {
assert(Filename != 0 && "Filename is null");
// Verify that we don't have both "append" and "excl".
assert((!(Flags & F_Excl) || !(Flags & F_Append)) &&
"Cannot specify both 'excl' and 'append' file creation flags!");