[all-commits] [llvm/llvm-project] f7fec8: [Clang] Prevent null pointer dereference in templa...

[smanna12 via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f7fec8c80a986e82ef174080a3e07703c7b2c3c6
      https://github.com/llvm/llvm-project/commit/f7fec8c80a986e82ef174080a3e07703c7b2c3c6
  Author: smanna12 <soumi.manna at intel.com>
  Date:   2024-06-29 (Sat, 29 Jun 2024)

  Changed paths:
    M clang/lib/Sema/SemaTemplate.cpp

  Log Message:
  -----------
  [Clang] Prevent null pointer dereference in template deduction guide creation (#97097)

This patch addresses static analyzer concerns where `TSI` could be
dereferenced after being assigned a null value from `SubstType` in
`ConvertConstructorToDeductionGuideTransform()`.

The fixes now check null value of `TSI` after the call to `SubstType`
and return `nullptr` to prevent potential null pointer dereferences when
calling getTypeLoc() or getType() and ensure safe execution.



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