[PATCH] D85398: [clang-tidy] Fix bugprone-bad-signal-to-kill-thread crash when `SIGTERM` is not a literal.

[Aleksandr Platonov via Phabricator via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG216ad2da74f0: [clang-tidy] Fix bugprone-bad-signal-to-kill-thread crash when `SIGTERM` is not… (authored by ArcsinX).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D85398/new/

https://reviews.llvm.org/D85398

Files:
  clang-tools-extra/clang-tidy/bugprone/BadSignalToKillThreadCheck.cpp
  clang-tools-extra/test/clang-tidy/checkers/bugprone-bad-signal-to-kill-thread-sigterm-not-a-literal.cpp


Index: clang-tools-extra/test/clang-tidy/checkers/bugprone-bad-signal-to-kill-thread-sigterm-not-a-literal.cpp
===================================================================
--- /dev/null
+++ clang-tools-extra/test/clang-tidy/checkers/bugprone-bad-signal-to-kill-thread-sigterm-not-a-literal.cpp
@@ -0,0 +1,10 @@
+// RUN: clang-tidy %s --checks=-*,bugprone-bad-signal-to-kill-thread -- | count 0
+
+#define SIGTERM ((unsigned)15) // no-crash
+using pthread_t = int;
+int pthread_kill(pthread_t thread, int sig);
+
+int func() {
+  pthread_t thread;
+  return pthread_kill(thread, 0);
+}
Index: clang-tools-extra/clang-tidy/bugprone/BadSignalToKillThreadCheck.cpp
===================================================================
--- clang-tools-extra/clang-tidy/bugprone/BadSignalToKillThreadCheck.cpp
+++ clang-tools-extra/clang-tidy/bugprone/BadSignalToKillThreadCheck.cpp
@@ -39,6 +39,8 @@
       return llvm::None;
     const MacroInfo *MI = PP->getMacroInfo(It->first);
     const Token &T = MI->tokens().back();
+    if (!T.isLiteral())
+      return llvm::None;
     StringRef ValueStr = StringRef(T.getLiteralData(), T.getLength());
 
     llvm::APInt IntValue;


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