[clang][NFC] simplify the unset check in ParseLabeledStatement

[HerrCai0907]

!isInvalid && !isUsable -> !isInvalid && !(!isInvalid && !isUnset) -> isUnset
It is more simple to understand.

[llvmbot]

@llvm/pr-subscribers-clang

Author: Congcong Cai (HerrCai0907)

Changes

!isInvalid && !isUsable -> !isInvalid && !(!isInvalid && !isUnset) -> isUnset
It is more simple to understand.

---

Full diff: https://github.com/llvm/llvm-project/pull/117430.diff

1 Files Affected:

• (modified) clang/lib/Parse/ParseStmt.cpp (+1-1)

diff --git a/clang/lib/Parse/ParseStmt.cpp b/clang/lib/Parse/ParseStmt.cpp
index f6d787a0c88319..cd4504630f8719 100644
--- a/clang/lib/Parse/ParseStmt.cpp
+++ b/clang/lib/Parse/ParseStmt.cpp
@@ -799,7 +799,7 @@ StmtResult Parser::ParseLabeledStatement(ParsedAttributes &Attrs,
   }
 
   // If we've not parsed a statement yet, parse one now.
-  if (!SubStmt.isInvalid() && !SubStmt.isUsable())
+  if (SubStmt.isUnset())
     SubStmt = ParseStatement(nullptr, StmtCtx);
 
   // Broken substmt shouldn't prevent the label from being added to the AST.

[llvm-ci]

LLVM Buildbot has detected a new failure on builder openmp-offload-libc-amdgpu-runtime running on omp-vega20-1 while building clang at step 10 "Add check check-offload".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/73/builds/9048

Here is the relevant piece of the build log for the reference

Step 10 (Add check check-offload) failure: 1200 seconds without output running [b'ninja', b'-j 32', b'check-offload'], attempting to kill
...
PASS: libomptarget :: x86_64-unknown-linux-gnu-LTO :: offloading/bug47654.cpp (947 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu-LTO :: offloading/bug49779.cpp (948 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu-LTO :: offloading/bug50022.cpp (949 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu-LTO :: offloading/test_libc.cpp (950 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu-LTO :: offloading/wtime.c (951 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu :: offloading/bug49021.cpp (952 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu :: offloading/std_complex_arithmetic.cpp (953 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu-LTO :: offloading/complex_reduction.cpp (954 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu-LTO :: offloading/bug49021.cpp (955 of 960)
PASS: libomptarget :: x86_64-unknown-linux-gnu-LTO :: offloading/std_complex_arithmetic.cpp (956 of 960)
command timed out: 1200 seconds without output running [b'ninja', b'-j 32', b'check-offload'], attempting to kill
process killed by signal 9
program finished with exit code -1
elapsedTime=1237.279616