check if the pattern is not null in hasPattern

5chmidti · 5chmidti · commit dfe053f7de82 · 2023-11-24T23:25:49.000+01:00
diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -4605,7 +4605,8 @@ AST_MATCHER_P(CXXFoldExpr, hasFoldInit, ast_matchers::internal::Matcher<Expr>,
 /// \endcode
 AST_MATCHER_P(CXXFoldExpr, hasPattern, ast_matchers::internal::Matcher<Expr>,
               InnerMacher) {
-  return InnerMacher.matches(*Node.getPattern(), Finder, Builder);
+  const Expr *const Pattern = Node.getPattern();
+  return Pattern && InnerMacher.matches(*Pattern, Finder, Builder);
 }
 
 /// Matches right-folding fold expressions.

Original file line number	Diff line number	Diff line change
`@@ -4605,7 +4605,8 @@ AST_MATCHER_P(CXXFoldExpr, hasFoldInit, ast_matchers::internal::Matcher<Expr>,`
`4605`	`4605`	`/// \endcode`
`4606`	`4606`	`AST_MATCHER_P(CXXFoldExpr, hasPattern, ast_matchers::internal::Matcher<Expr>,`
`4607`	`4607`	`InnerMacher) {`
`4608`		`- return InnerMacher.matches(*Node.getPattern(), Finder, Builder);`
	`4608`	`+ const Expr *const Pattern = Node.getPattern();`
	`4609`	`+ return Pattern && InnerMacher.matches(*Pattern, Finder, Builder);`
`4609`	`4610`	`}`
`4610`	`4611`
`4611`	`4612`	`/// Matches right-folding fold expressions.`