Roll llvm-libc from 383ed101954a to 1f64d055dbb7 (15 revisions)

https://chromium.googlesource.com/external/github.com/llvm/llvm-project/libc.git/+log/383ed101954a..1f64d055dbb7

2025-06-12 michaelrj@google.com [libc] Implement perror (#143624)
2025-06-12 uzairnawaz@google.com [libc] Build fixes for widechar characterconverter (#143805)
2025-06-12 lntue@google.com [libc][math] Refactor expf implementation to header-only in src/__support/math folder. (#143790)
2025-06-12 lntue@google.com [libc] Update size_t and ssize_t definitions to use __SIZE_TYPE__ and __PTRDIFF_TYPE__ respectively. (#143921)
2025-06-12 michaelrj@google.com [libc] Fix ioctl errno inclusion (#143928)
2025-06-12 weebney@gmail.com [libc] add ioctl (#141393)
2025-06-12 vonosmas@gmail.com Revert "[libc] Migrate stdio tests to ErrnoCheckingTest." (#143829)
2025-06-12 Kewen.Meng@amd.com Revert "[libc] Fix stdio tests after #143802" (#143824)
2025-06-11 michaelrj@google.com [libc] Fix stdio tests after #143802 (#143810)
2025-06-11 vonosmas@gmail.com [libc] Migrate stdio tests to ErrnoCheckingTest. (#143802)
2025-06-11 huberjn@outlook.com [libc] Perform bitfield zero initialization wave-parallel (#143607)
2025-06-11 145801438+sribee8@users.noreply.github.com [libc][obvious] Changed incorrect type (#143780)
2025-06-11 lntue@google.com [libc] Move libc_errno.h to libc/src/__support and make LIBC_ERRNO_MODE_SYSTEM to be header-only. (#143187)
2025-06-11 uzairnawaz@google.com [libc] Switched calls to inline_memcpy to __builtin_memcpy for wide char utilities (#143011)
2025-06-11 uzairnawaz@google.com [libc] Character converter skeleton class (#143619)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/llvm-libc-chromium
Please CC hwennborg@google.com,lexan@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Chromium: https://bugs.chromium.org/p/chromium/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Tbr: hwennborg@google.com
Change-Id: Ic308cc1b116cdc693e4ec754df76eb67975aa5bd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6640604
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1473206}
diff --git a/DEPS b/DEPS
index c236f49d..f3341c6f 100644
--- a/DEPS
+++ b/DEPS
@@ -519,7 +519,7 @@
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling llvm-libc
   # and whatever else without interference from each other.
-  'llvm_libc_revision':    '383ed101954a018d94d0ffb097116d81106c9fc6',
+  'llvm_libc_revision':    '1f64d055dbb79dfcef1a63588341d171f327cd73',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling llvm-libc
   # and whatever else without interference from each other.
diff --git a/third_party/llvm-libc/src b/third_party/llvm-libc/src
index 383ed10..1f64d05 160000
--- a/third_party/llvm-libc/src
+++ b/third_party/llvm-libc/src
@@ -1 +1 @@
-Subproject commit 383ed101954a018d94d0ffb097116d81106c9fc6
+Subproject commit 1f64d055dbb79dfcef1a63588341d171f327cd73