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Provide a distinct contents for semBogus and semPPCDoubleDouble in order to prevent compilers from collapsing them to a single memory address, while we heavily rely on every semantic having distinct address. This happens if insecure optimization collapsing identical values is enabled. As a result, APFloats of semBogus are indistinguishable from semPPCDoubleDouble -- and whenever the move constructor is used, the old value beings being incorrectly recognized as a semPPCDoubleDouble. Since the values in semPPCDoubleDouble are not used anywhere, we can easily solve this issue via altering the value of one of the fields and therefore ensuring that the collapse can not occur. Differential Revision: https://reviews.llvm.org/D28112 llvm-svn: 290896 |
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bindings | ||
cmake | ||
docs | ||
examples | ||
include | ||
lib | ||
projects | ||
resources | ||
runtimes | ||
test | ||
tools | ||
unittests | ||
utils | ||
.arcconfig | ||
.clang-format | ||
.clang-tidy | ||
.gitignore | ||
CMakeLists.txt | ||
CODE_OWNERS.TXT | ||
configure | ||
CREDITS.TXT | ||
LICENSE.TXT | ||
llvm.spec.in | ||
LLVMBuild.txt | ||
README.txt | ||
RELEASE_TESTERS.TXT |
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