[clang] [clang] Document CWG3129 as resolved (PR #206335)

[Jan Schultke via cfe-commits]

https://github.com/eisenwave updated https://github.com/llvm/llvm-project/pull/206335

>From b7f8ed714fd1fe753fc17cbf7224cd30943efebf Mon Sep 17 00:00:00 2001
From: Eisenwave <me at eisenwave.net>
Date: Sun, 28 Jun 2026 15:57:58 +0200
Subject: [PATCH 1/2] [clang] Document CWG3129 as resolved

---
 clang/www/cxx_dr_status.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/clang/www/cxx_dr_status.html b/clang/www/cxx_dr_status.html
index ef30b5eefea13..4eaf0c44ab082 100755
--- a/clang/www/cxx_dr_status.html
+++ b/clang/www/cxx_dr_status.html
@@ -21720,7 +21720,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
     <td>[<a href="https://wg21.link/lex.fcon">lex.fcon</a>]</td>
     <td>DR</td>
     <td>Clarify which <I>floating-point-literal</I>s are valid</td>
-    <td class="unknown" align="center">Unknown</td>
+    <td class="full" align="center">Clang 2.7</td>
   </tr>
   <tr id="3130">
     <td><a href="https://cplusplus.github.io/CWG/issues/3130.html">3130</a></td>

>From 33aecf2d4c6d9ffef9bc05eb8b0e58ee4298e9d4 Mon Sep 17 00:00:00 2001
From: Eisenwave <me at eisenwave.net>
Date: Sun, 28 Jun 2026 16:55:51 +0200
Subject: [PATCH 2/2] Add test, change minimum version to 3.0

---
 clang/test/CXX/drs/cwg3129.cpp | 20 ++++++++++++++++++++
 clang/www/cxx_dr_status.html   |  2 +-
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 clang/test/CXX/drs/cwg3129.cpp

diff --git a/clang/test/CXX/drs/cwg3129.cpp b/clang/test/CXX/drs/cwg3129.cpp
new file mode 100644
index 0000000000000..f4bfe81389741
--- /dev/null
+++ b/clang/test/CXX/drs/cwg3129.cpp
@@ -0,0 +1,20 @@
+// RUN: %clang_cc1 -std=c++98 %s -pedantic-errors -verify=expected
+// RUN: %clang_cc1 -std=c++11 %s -pedantic-errors -verify=expected
+// RUN: %clang_cc1 -std=c++14 %s -pedantic-errors -verify=expected
+// RUN: %clang_cc1 -std=c++17 %s -pedantic-errors -verify=expected
+// RUN: %clang_cc1 -std=c++20 %s -pedantic-errors -verify=expected
+// RUN: %clang_cc1 -std=c++23 %s -pedantic-errors -verify=expected
+// RUN: %clang_cc1 -std=c++2c %s -pedantic-errors -verify=expected
+
+namespace cwg3129 { // cwg3129: 3.0
+
+float huge_f = 1e10000000000F; // expected-warning {{floating-point constant too large}}
+float tiny_f = 1e-1000000000F; // expected-warning {{floating-point constant too small}}
+
+double huge_d = 1e10000000000; // expected-warning {{floating-point constant too large}}
+double tiny_d = 1e-1000000000; // expected-warning {{floating-point constant too small}}
+
+long double huge_ld = 1e10000000000L; // expected-warning {{floating-point constant too large}}
+long double tiny_ld = 1e-1000000000L; // expected-warning {{floating-point constant too small}}
+
+} // namespace cwg3129
diff --git a/clang/www/cxx_dr_status.html b/clang/www/cxx_dr_status.html
index 4eaf0c44ab082..9988fcd333e75 100755
--- a/clang/www/cxx_dr_status.html
+++ b/clang/www/cxx_dr_status.html
@@ -21720,7 +21720,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
     <td>[<a href="https://wg21.link/lex.fcon">lex.fcon</a>]</td>
     <td>DR</td>
     <td>Clarify which <I>floating-point-literal</I>s are valid</td>
-    <td class="full" align="center">Clang 2.7</td>
+    <td class="full" align="center">Clang 3.0</td>
   </tr>
   <tr id="3130">
     <td><a href="https://cplusplus.github.io/CWG/issues/3130.html">3130</a></td>