[libc][bazel] Add hypotf16 bazel targets.

Author: lntue

utils/bazel/llvm-project-overlay/libc/BUILD.bazel

@@ -3471,6 +3471,14 @@ libc_math_function(
     ],
 )
 
+libc_math_function(
+    name = "hypotf16",
+    additional_deps = [
+        ":__support_fputil_multiply_add",
+        ":__support_fputil_sqrt",
+    ],
+)
+
 libc_math_function(name = "ilogb")
 
 libc_math_function(name = "ilogbf")

utils/bazel/llvm-project-overlay/libc/libc_build_rules.bzl

@@ -17,6 +17,8 @@ def libc_common_copts():
         "-I" + libc_include_path,
         "-I" + paths.join(libc_include_path, "include"),
         "-DLIBC_NAMESPACE=" + LIBC_NAMESPACE,
+        # For complex floating point literals.
+        "-fext-numeric-literals",
     ]
 
 def libc_release_copts():

utils/bazel/llvm-project-overlay/libc/test/src/math/BUILD.bazel

@@ -286,6 +286,13 @@ math_mpfr_test(
     ],
 )
 
+math_mpfr_test(
+    name = "hypotf16",
+    hdrs = [
+        "HypotTest.h",
+    ],
+)
+
 math_mpfr_test(
     name = "llrint",
     hdrs = ["RoundToIntegerTest.h"],

utils/bazel/llvm-project-overlay/libc/test/src/math/smoke/BUILD.bazel

@@ -898,6 +898,11 @@ math_test(
     hdrs = ["HypotTest.h"],
 )
 
+math_test(
+    name = "hypotf16",
+    hdrs = ["HypotTest.h"],
+)
+
 math_test(
     name = "ilogb",
     hdrs = ["ILogbTest.h"],