[clang-tools-extra] [clang-tidy] bugprone-implicit-widening ignores const exprs that fit (PR #98352)

[Piotr Zegar via cfe-commits]

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@@ -45,6 +45,12 @@ Options
    should ``<cstddef>`` header be suggested, or ``<stddef.h>``.
    Defaults to ``true``.
 
+.. option:: IgnoreConstantIntExpr
+
+   If the multiplication operands are compile-time constants (like literals or
+   are ``constexpr``) and fit within the source expression type, do not emit a
+   diagnostic or suggested fix.  Only considers expressions where the source
+   expression is a signed integer type.
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PiotrZSL wrote:

Add info about default value at the end

https://github.com/llvm/llvm-project/pull/98352