aaron.ballman added subscribers: jyu2, mikerice, jdoerfert.
aaron.ballman added inline comments.
================
Comment at: clang/lib/Parse/ParseStmt.cpp:745
SubStmt = Actions.ActOnNullStmt(ColonLoc);
LabelDecl *LD = Actions.LookupOrCreateLabel(IdentTok.getIdentifierInfo(),
----------------
At this point, you know whether you've parsed a declaration statement or not,
so you could potentially add the extension diagnostic logic here.
================
Comment at: clang/test/OpenMP/threadprivate_messages.cpp:141
label:
-#pragma omp threadprivate(d4) // expected-error {{'#pragma omp threadprivate'
cannot be an immediate substatement}}
+#pragma omp threadprivate(d4)
----------------
Izaron wrote:
> TODO: find out if this is okay? (I've got no idea what it does)
CC @mikerice @jyu2 @jdoerfert for opinions on OpenMP impact. There are FIXMEs
in the code related to this:
https://github.com/llvm/llvm-project/blob/main/clang/lib/Parse/ParseOpenMP.cpp#L2671
================
Comment at: clang/test/Parser/c2x-label.c:5-6
void test_label_in_func() {
- int x;
label1:
+ int x;
+label2:
----------------
Izaron wrote:
> TODO: make sure a warning is printed. I couldn't find correct conditions for
> the warning, I tried and it produced false positive warnings in some other
> tests =(
>
> P.S. Its C++'s counterpart:
> https://github.com/llvm/llvm-project/blob/main/clang/test/Parser/cxx2b-label.cpp
Yeah, this would be specific to C because C++ has always allowed a declaration
there. I left a comment above with a potential idea.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D146393/new/
https://reviews.llvm.org/D146393
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