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APFloat::toString(): Fix overrun at scanning.

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FYI, clang/test/SemaTemplate/template-id-printing.cpp had been failing due to it on cygwin-clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150911 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2012-02-19 03:18:29 +00:00
parent ac027144e8
commit 752b2f0d88
1 changed files with 1 additions and 1 deletions
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2
lib/Support/APFloat.cpp
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@ -3340,7 +3340,7 @@ namespace {
// Rounding down is just a truncation, except we also want to drop
// trailing zeros from the new result.
if (buffer[FirstSignificant - 1] < '5') {
while (buffer[FirstSignificant] == '0')
while (FirstSignificant < N && buffer[FirstSignificant] == '0')
FirstSignificant++;
exp += FirstSignificant;