diff options
Diffstat (limited to 'gcc/cp/optimize.c')
| -rw-r--r-- | gcc/cp/optimize.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/cp/optimize.c b/gcc/cp/optimize.c index 1f87c9c..c9898b8 100644 --- a/gcc/cp/optimize.c +++ b/gcc/cp/optimize.c @@ -801,6 +801,17 @@ void optimize_function (fn) tree fn; { + /* While in this function, we may choose to go off and compile + another function. For example, we might instantiate a function + in the hopes of inlining it. Normally, that wouldn't trigger any + actual RTL code-generation -- but it will if the template is + actually needed. (For example, if it's address is taken, or if + some other function already refers to the template.) If + code-generation occurs, then garbage collection will occur, so we + must protect ourselves, just as we do while building up the body + of the function. */ + ++function_depth; + /* Expand calls to inline functions. */ if (flag_inline_trees) { @@ -839,6 +850,9 @@ optimize_function (fn) VARRAY_FREE (id.fns); VARRAY_FREE (id.target_exprs); } + + /* Undo the call to ggc_push_context above. */ + --function_depth; } /* Called from calls_setjmp_p via walk_tree. */ |