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Generated C code doesn't compile on MacOS clang. #80

Description

@creationix

I've almost got XS working in all my test environments. The last issue it seems is the style of code generated for mc.xs.c. When compiling using clang, I get:

/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:125:87: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0000 */      { NULL, {.ID = XS_NO_ID, .flag = XS_NO_FLAG, .kind = XS_REFERENCE_KIND}, { .reference = (txSlot*)&gxHeap[3352] } },
                                                                                           ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:126:73: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0001 */      { NULL, {.ID = 0, .flag = 0xc0, .kind = XS_INSTANCE_KIND}, { .instance = { NULL, NULL } } },
                                                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:127:73: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0002 */      { NULL, {.ID = 1, .flag = 0xc0, .kind = XS_INSTANCE_KIND}, { .instance = { NULL, NULL } } },
                                                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:128:73: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0003 */      { NULL, {.ID = 2, .flag = 0xc0, .kind = XS_INSTANCE_KIND}, { .instance = { NULL, NULL } } },
                                                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:129:73: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0004 */      { NULL, {.ID = 3, .flag = 0xc0, .kind = XS_INSTANCE_KIND}, { .instance = { NULL, NULL } } },
                                                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:130:73: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0005 */      { NULL, {.ID = 4, .flag = 0xc0, .kind = XS_INSTANCE_KIND}, { .instance = { NULL, NULL } } },
                                                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:131:73: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0006 */      { NULL, {.ID = 5, .flag = 0xc0, .kind = XS_INSTANCE_KIND}, { .instance = { NULL, NULL } } },
                                                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:132:73: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0007 */      { NULL, {.ID = 6, .flag = 0xc0, .kind = XS_INSTANCE_KIND}, { .instance = { NULL, NULL } } },
                                                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:133:73: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0008 */      { NULL, {.ID = 7, .flag = 0xc0, .kind = XS_INSTANCE_KIND}, { .instance = { NULL, NULL } } },
                                                                             ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:134:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0009 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "@" } },
                                                                                    ^~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:135:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0010 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.asyncIterator" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:136:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0011 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.hasInstance" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:137:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0012 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.isConcatSpreadable" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:138:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0013 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.iterator" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:139:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0014 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.match" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:140:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0015 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.replace" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:141:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0016 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.search" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:142:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0017 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.species" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/tcaswell/Code/xs-shapes/out/mc.xs.c:143:80: error: designator in initializer for scalar type 'txInteger' (aka 'int')
/* 0018 */      { NULL, {.ID = XS_NO_ID, .flag = 0x80, .kind = XS_STRING_X_KIND}, { .string = "Symbol.split" } },
                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
...

I know I've seen this on newer clang versions (this particular dump is Apple LLVM version 9.1.0 (clang-902.0.39.2)) .

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