clang: 18: hangs on a simple syntax error

[wierton]

Compiler Explorer: https://gcc.godbolt.org/z/7c9dKMGcW

When compile this program with option -O0 -fopenmp-simd, Clang hangs:

static int a;
#pragma omp declare target
b = b ^ 3 + a;

[llvmbot]

@llvm/issue-subscribers-openmp

Author: None (wierton)

Details

Compiler Explorer: https://gcc.godbolt.org/z/7c9dKMGcW

When compile this program with option -O0 -fopenmp-simd, Clang hangs:

static int a;
#pragma omp declare target
b = b ^ 3 + a;

[shiltian]

Is it still the case for trunk?

[jhuber6]

It does, seems to get stuck forever in ActOnDeclareTargetInitializer no matter what flavor of OpenMP you use, most likely because we have a self-referential variable declaration.

[llvmbot]

@llvm/issue-subscribers-clang-frontend

Author: None (wierton)

Details

Compiler Explorer: https://gcc.godbolt.org/z/7c9dKMGcW

When compile this program with option -O0 -fopenmp-simd, Clang hangs:

static int a;
#pragma omp declare target
b = b ^ 3 + a;