radeonsi: Allow longer intrinsic names

Fixes a boat load of Piglit tests for me, which crashed like fdo#70913
before.

Thanks to Michel Dänzer for the tip.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=70913
Signed-off-by: Kai Wasserbäch <kai@dev.carbon-project.org>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
diff --git a/src/gallium/drivers/radeonsi/radeonsi_shader.c b/src/gallium/drivers/radeonsi/radeonsi_shader.c
index 9f81a7b..dff8be0 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_shader.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_shader.c
@@ -1425,7 +1425,7 @@
 				struct lp_build_emit_data * emit_data)
 {
 	struct lp_build_context * base = &bld_base->base;
-	char intr_name[23];
+	char intr_name[127];
 
 	sprintf(intr_name, "%sv%ui32", action->intr_name,
 		LLVMGetVectorSize(LLVMTypeOf(emit_data->args[0])));