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[OPENMP] Fix for http://llvm.org/PR24430: clang hangs on invalid input with openmp directive

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Add parsing of openmp directives inside structs/unions in C mode.

llvm-svn: 244719
This commit is contained in:
Alexey Bataev 2015-08-12 07:10:54 +00:00
parent 9b6a90a0fc
commit 4652e4baaf
2 changed files with 13 additions and 0 deletions
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8
clang/lib/Parse/ParseDecl.cpp
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@ -3615,6 +3615,14 @@ void Parser::ParseStructUnionBody(SourceLocation RecordLoc,
continue;
}
if (Tok.is(tok::annot_pragma_openmp)) {
// Result can be ignored, because it must be always empty.
auto Res = ParseOpenMPDeclarativeDirective();
assert(!Res);
// Silence possible warnings.
(void)Res;
continue;
}
if (!Tok.is(tok::at)) {
auto CFieldCallback = [&](ParsingFieldDeclarator &FD) {
// Install the declarator into the current TagDecl.

5
clang/test/OpenMP/openmp_common.c
View File

@ -7,3 +7,8 @@ void foo() {
#pragma omp // expected-error {{expected an OpenMP directive}}
#pragma omp unknown_directive // expected-error {{expected an OpenMP directive}}
}
typedef struct S {
#pragma omp parallel for private(j) schedule(static) if (tree1->totleaf > 1024) // expected-error {{unexpected OpenMP directive '#pragma omp parallel for'}}
} St;