diff options
Diffstat (limited to 'gcc/c/c-decl.c')
| -rw-r--r-- | gcc/c/c-decl.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/c/c-decl.c b/gcc/c/c-decl.c index d153de2..caa9c85 100644 --- a/gcc/c/c-decl.c +++ b/gcc/c/c-decl.c @@ -7405,6 +7405,23 @@ grokdeclarator (const struct c_declarator *declarator, "no linkage"); } + /* For nested functions disqualify ones taking VLAs by value + from inlining since the middle-end cannot deal with this. + ??? We should arrange for those to be passed by reference + with emitting the copy on the caller side in the frontend. */ + if (storage_class == csc_none + && TREE_CODE (type) == FUNCTION_TYPE) + for (tree al = TYPE_ARG_TYPES (type); al; al = TREE_CHAIN (al)) + { + tree arg = TREE_VALUE (al); + if (arg != error_mark_node + && C_TYPE_VARIABLE_SIZE (arg)) + { + DECL_UNINLINABLE (decl) = 1; + break; + } + } + /* Record `register' declaration for warnings on & and in case doing stupid register allocation. */ |