On lowering from `memref` to LLVM, `malloc` and other intrinsic
functions from `libc` will be declared in the current module. User's
redefinition of these reserved functions will poison the internal
analysis with wrong prototype. This patch adds assertion on the found
function's type and reports if it mismatch with the intended type.
Related to #120950
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Co-authored-by: Luohao Wang <Luohaothu@users.noreply.github.com>
e84f6b6a88