Hello! The attached patch doubles StackMin size for 64bit non-split-stack targets. This patch fixes regexp libgo failure (tracked as gcc PR61871 [1]) on alpha-linux-gnu.
--cut here-- Index: runtime/proc.c =================================================================== --- runtime/proc.c (revision 219035) +++ runtime/proc.c (working copy) @@ -51,7 +51,7 @@ #if defined(USING_SPLIT_STACK) && defined(LINKER_SUPPORTS_SPLIT_STACK) # define StackMin PTHREAD_STACK_MIN #else -# define StackMin 2 * 1024 * 1024 +# define StackMin ((sizeof(char *) < 8) ? 2 * 1024 * 1024 : 4 * 1024 * 1024) #endif uintptr runtime_stacks_sys; --cut here-- Bootstrapped and regression tested on alphaev68-linux-gnu. [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61871 Uros.