llvm-project/clang/test/Modules/Inputs/System/usr/include/stdio.h

typedef struct { int id; } FILE;
int fprintf(FILE*restrict, const char* restrict format, ...);
extern FILE *__stderrp;
Back out my heinous hack that tricked the module generation mechanism into using non-absolute system includes (<foo>)... ... and introduce another hack that is simultaneously more heineous and more effective. We whitelist Clang-supplied headers that augment or override system headers (such as float.h, stdarg.h, and tgmath.h). For these headers, Clang does not provide a module mapping. Instead, a system-supplied module map can refer to these headers in a system module, and Clang will look both in its own include directory and wherever the system-supplied module map suggests, then adds either or both headers. The end result is that Clang-supplied headers get merged into the system-supplied module for the C standard library. As a drive-by, fix up a few dependencies in the _Builtin_instrinsics module. llvm-svn: 149611 2012-02-03 02:42:48 +08:00			`typedef struct { int id; } FILE;`
			`int fprintf(FILErestrict, const char restrict format, ...);`
Note when a decl is used in AST files. When an AST file is built based on another AST file, it can use a decl from the fist file, and therefore mark the "isUsed" bit. We need to note this in the AST file so that the bit is set correctly when the second AST file is loaded. This patch introduces the distinction between setIsUsed() and markUsed() so that we don't call into the ASTMutationListener callback when it wouldn't be appropriate. Fixes PR16635. llvm-svn: 190016 2013-09-05 08:02:25 +08:00			`extern FILE *__stderrp;`