gcc-bridge and the markdown package

[perNyfelt]

The markdown package (e.g. required by knitr) does not work. When looking into it, it turns out there is some problem with compiling the c code. The compile task "works" in the sense that it completes but when executing the code the following error occurs:
Exception calling rmd_render_markdown : Unsupported pointer store to a memory region allocated for primitives., This means something went wrong during compilation and we allocated the wrong type of storage.

During compilation, the following warning occurs:

Checking wether in Makevars CXX_STD is set to CXX11... no
touch 'markdown.so'
Warning: could not generate code for global variable smartypants_cb_ptrs: org.renjin.gcc.codegen.vptr.VPtrExpr cannot be cast to org.renjin.gcc.codegen.type.fun.FunPtrExpr
Warning: could not generate code for global variable markdown_char_ptrs: org.renjin.gcc.codegen.vptr.VPtrExpr cannot be cast to org.renjin.gcc.codegen.type.fun.FunPtrExpr

The smartypants_cb_ptrs is defines as follows:

static size_t (*smartypants_cb_ptrs[])
	(struct buf *, struct smartypants_data *, uint8_t, const uint8_t *, size_t) =
{
	NULL,					/* 0 */
	smartypants_cb__dash,	/* 1 */
	smartypants_cb__parens,	/* 2 */
	smartypants_cb__squote, /* 3 */
	smartypants_cb__dquote, /* 4 */
	smartypants_cb__amp,	/* 5 */
	smartypants_cb__period,	/* 6 */
	smartypants_cb__number,	/* 7 */
	smartypants_cb__ltag,	/* 8 */
	smartypants_cb__backtick, /* 9 */
	smartypants_cb__escape, /* 10 */
};

Whereas the markdown_char_ptrs is defined as:

static char_trigger markdown_char_ptrs[] = {
	NULL,
	&char_emphasis,
	&char_codespan,
	&char_linebreak,
	&char_link,
	&char_langle_tag,
	&char_escape,
	&char_entity,
	&char_autolink_url,
	&char_autolink_email,
	&char_autolink_www,
	&char_superscript,
	&char_dollar
};

Any ideas of how this might be fixed either by altering the c code or patching some part of the gcc-bridge?

I have forked the markdown project and added a pom.xml and a test to it here: https://github.com/perNyfelt/markdown