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Closed by commit rG9eccc145aa95: [docs][clang] Add extra information inside
-fsanitize=unsigned-shift-base for… (authored by aabhinavg).
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rG LLVM Github Monorepo
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https://reviews.llvm.org/D146947/new/
https://reviews.llvm.org/D146947
Files:
clang/docs/UndefinedBehaviorSanitizer.rst
Index: clang/docs/UndefinedBehaviorSanitizer.rst
===================================================================
--- clang/docs/UndefinedBehaviorSanitizer.rst
+++ clang/docs/UndefinedBehaviorSanitizer.rst
@@ -157,7 +157,8 @@
``-fsanitize=shift-exponent`` to check only left-hand side or
right-hand side of shift operation, respectively.
- ``-fsanitize=unsigned-shift-base``: check that an unsigned left-hand side
of
- a left shift operation doesn't overflow.
+ a left shift operation doesn't overflow. Issues caught by this sanitizer
are
+ not undefined behavior, but are often unintentional.
- ``-fsanitize=signed-integer-overflow``: Signed integer overflow, where the
result of a signed integer computation cannot be represented in its type.
This includes all the checks covered by ``-ftrapv``, as well as checks for
Index: clang/docs/UndefinedBehaviorSanitizer.rst
===================================================================
--- clang/docs/UndefinedBehaviorSanitizer.rst
+++ clang/docs/UndefinedBehaviorSanitizer.rst
@@ -157,7 +157,8 @@
``-fsanitize=shift-exponent`` to check only left-hand side or
right-hand side of shift operation, respectively.
- ``-fsanitize=unsigned-shift-base``: check that an unsigned left-hand side of
- a left shift operation doesn't overflow.
+ a left shift operation doesn't overflow. Issues caught by this sanitizer are
+ not undefined behavior, but are often unintentional.
- ``-fsanitize=signed-integer-overflow``: Signed integer overflow, where the
result of a signed integer computation cannot be represented in its type.
This includes all the checks covered by ``-ftrapv``, as well as checks for
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