[gcc r11-9980] Daily bump.

[GCC Administrator]

https://gcc.gnu.org/g:43146ecb33f965bc8236ad81050d7cee6de0a236

commit r11-9980-g43146ecb33f965bc8236ad81050d7cee6de0a236
Author: GCC Administrator <gccadmin@gcc.gnu.org>
Date:   Thu May 12 00:18:20 2022 +0000

    Daily bump.

Diff:
---
 gcc/DATESTAMP          |  2 +-
 libstdc++-v3/ChangeLog | 11 +++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/gcc/DATESTAMP b/gcc/DATESTAMP
index 3e06743d939..2a18b643483 100644
--- a/gcc/DATESTAMP
+++ b/gcc/DATESTAMP
@@ -1 +1 @@
-20220511
+20220512
diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index cb64b565acc..ff49e4bae49 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,14 @@
+2022-05-11  Patrick Palka  <ppalka@redhat.com>
+
+	Backported from master:
+	2022-05-02  Patrick Palka  <ppalka@redhat.com>
+
+	PR libstdc++/103911
+	* src/c++17/floating_from_chars.cc (find_end_of_float): Accept
+	two delimeters for the exponent part in the form of a possibly
+	NULL string of length two.  Don't use std::tolower.
+	(pattern): Adjust calls to find_end_of_float accordingly.
+
 2022-05-10  Jonathan Wakely  <jwakely@redhat.com>
 
 	Backported from master: