The following code fails to compile: pl-1.c: void print(int res, int K, double a[K][K]) { }
int inverse(int K,double in[K][K],double out[K][K]) { return 0; } int main(void) { int K; double a[K][K]; double b[K][K]; print(inverse(K, a, b),K,b); return 0; } [EMAIL PROTECTED] ~]$ gcc -v -save-temps -O2 -std=gnu99 pl-1.c Reading specs from /usr/lib/gcc/i686-pc-linux-gnu/3.4.3/specs Configured with: ../gcc-3.4.3/configure --prefix=/usr --sysconfdir=/etc -- localstatedir=/var --enable-shared --with-gnu-as --with-gnu-ld --enable- threads --enable-__cxa_atexit --enable-initfini-array --disable-nls --with- system-zlib --enable-java-awt=gtk,xlib Thread model: posix gcc version 3.4.3 /usr/libexec/gcc/i686-pc-linux-gnu/3.4.3/cc1 -E -quiet -v pl-1.c - mtune=pentiumpro -std=gnu99 -O2 -o pl-1.i ignoring nonexistent directory "/usr/lib/gcc/i686-pc-linux- gnu/3.4.3/../../../../i686-pc-linux-gnu/include" #include "..." search starts here: #include <...> search starts here: /usr/local/include /usr/lib/gcc/i686-pc-linux-gnu/3.4.3/include /usr/include End of search list. /usr/libexec/gcc/i686-pc-linux-gnu/3.4.3/cc1 -fpreprocessed pl-1.i -quiet - dumpbase pl-1.c -mtune=pentiumpro -auxbase pl-1 -O2 -std=gnu99 -version -o pl- 1.s GNU C version 3.4.3 (i686-pc-linux-gnu) compiled by GNU C version 3.4.3. GGC heuristics: --param ggc-min-expand=64 --param ggc-min-heapsize=64552 pl-1.c: In function `print': pl-1.c:6: error: prior parameter's size depends on 'K' pl-1.c:6: error: prior parameter's size depends on 'K' pl-1.c:6: error: prior parameter's size depends on 'K' pl-1.c:6: error: prior parameter's size depends on 'K' [EMAIL PROTECTED] ~]$ It compiles OK with -O0 and -O1. -- Summary: Passing array as a function parameter in C99 style fails Product: gcc Version: 3.4.3 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bonzo at lib dot msu dot ru CC: gcc-bugs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19033