diff options
Diffstat (limited to 'gcc/c/c-decl.cc')
| -rw-r--r-- | gcc/c/c-decl.cc | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/c/c-decl.cc b/gcc/c/c-decl.cc index 111f05e..e47ca67 100644 --- a/gcc/c/c-decl.cc +++ b/gcc/c/c-decl.cc @@ -11430,6 +11430,10 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs, else if (specs->thread_p) error ("%qs used with %<auto%>", specs->thread_gnu_p ? "__thread" : "_Thread_local"); + else if (specs->constexpr_p) + /* auto may only be used with another storage class specifier, + such as constexpr, if the type is inferred. */ + error ("%<auto%> used with %<constexpr%>"); else specs->storage_class = csc_auto; } @@ -12363,6 +12367,10 @@ declspecs_add_scspec (location_t loc, return specs; } n = csc_auto; + /* auto may only be used with another storage class specifier, + such as constexpr, if the type is inferred. */ + if (specs->constexpr_p) + error ("%qE used with %<constexpr%>", scspec); break; case RID_EXTERN: n = csc_extern; @@ -12393,6 +12401,10 @@ declspecs_add_scspec (location_t loc, error ("%qE used with %<extern%>", scspec); else if (specs->storage_class == csc_typedef) error ("%qE used with %<typedef%>", scspec); + else if (specs->storage_class == csc_auto) + /* auto may only be used with another storage class specifier, + such as constexpr, if the type is inferred. */ + error ("%qE used with %<auto%>", scspec); else if (specs->thread_p) error ("%qE used with %qs", scspec, specs->thread_gnu_p ? "__thread" : "_Thread_local"); |