diff options
Diffstat (limited to 'test/CodeGenCXX/castexpr-basepathsize-threshold.cpp')
-rw-r--r-- | test/CodeGenCXX/castexpr-basepathsize-threshold.cpp | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp b/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp new file mode 100644 index 0000000000000..d5c1f603ff3fb --- /dev/null +++ b/test/CodeGenCXX/castexpr-basepathsize-threshold.cpp @@ -0,0 +1,27 @@ +// RUN: %clang_cc1 %s -emit-llvm -o - + +// https://bugs.llvm.org/show_bug.cgi?id=38356 +// We only check that we do not crash. + +template <typename a, a b(unsigned), int c, unsigned...> +struct d : d<a, b, c - 1> {}; +template <typename a, a b(unsigned), unsigned... e> +struct d<a, b, 0, e...> { + a f[0]; +}; +struct g { + static g h(unsigned); +}; +struct i { + void j() const; + // Current maximum depth of recursive template instantiation is 1024, + // thus, this \/ threshold value is used here. BasePathSize in CastExpr might + // not fit it, so we are testing that we do fit it. + // If -ftemplate-depth= is provided, larger values (4096 and up) cause crashes + // elsewhere. + d<g, g::h, (1U << 10U) - 2U> f; +}; +void i::j() const { + const void *k{f.f}; + (void)k; +} |