[-Wunsafe-buffer-usage] Fixits for array args of func-ptr calls (#80358) #8195
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Currently we ignore calls on function pointers (unlike direct calls of functions and class methods). This patch adds support for function pointers as well.
The change is to simply replace use of forEachArgumentWithParam matcher in UPC gadget with forEachArgumentWithParamType.
from the documentation of forEachArgumentWithParamType: /// Matches all arguments and their respective types for a \c CallExpr or /// \c CXXConstructExpr. It is very similar to \c forEachArgumentWithParam but /// it works on calls through function pointers as well.
Currently the matcher also uses hasPointerType() which checks that the canonical type of an argument is pointer and won't match on arrays decayed to pointer. Replacing hasPointerType() with isAnyPointerType() which allows implicit casts allows for the arrays to be matched as well and this way we get fixits for array arguments to function pointer calls too.
(cherry picked from commit 4cd7616)