[Support] Use an inherited constructor in DOTGraphTraits (NFC)

[kazutakahirata]

This patch simplifies DOTGraphTraits with an inherited constructor.
This way, we do not need to repeat the constructor signature or
manually forward constructor arguments.

[llvmbot]

@llvm/pr-subscribers-llvm-support

Author: Kazu Hirata (kazutakahirata)

Changes

This patch simplifies DOTGraphTraits with an inherited constructor.
This way, we do not need to repeat the constructor signature or
manually forward constructor arguments.

---

Full diff: https://github.com/llvm/llvm-project/pull/164056.diff

1 Files Affected:

• (modified) llvm/include/llvm/Support/DOTGraphTraits.h (+1-1)

diff --git a/llvm/include/llvm/Support/DOTGraphTraits.h b/llvm/include/llvm/Support/DOTGraphTraits.h
index ffa9abe328c83..bf30aa4df9fab 100644
--- a/llvm/include/llvm/Support/DOTGraphTraits.h
+++ b/llvm/include/llvm/Support/DOTGraphTraits.h
@@ -164,7 +164,7 @@ struct DefaultDOTGraphTraits {
 ///
 template <typename Ty>
 struct DOTGraphTraits : public DefaultDOTGraphTraits {
-  DOTGraphTraits (bool simple=false) : DefaultDOTGraphTraits (simple) {}
+  using DefaultDOTGraphTraits::DefaultDOTGraphTraits;
 };
 
 } // End llvm namespace