1 files changed, 47 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr35869.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr35869.c
new file mode 100644
index 000000000..e83c0e86b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/pr35869.c
@@ -0,0 +1,47 @@
+struct texture_stage_op
+{
+    unsigned int carg1, carg2, carg0;
+    unsigned int aarg1, aarg2, aarg0;
+    unsigned int dst;
+};
+
+static const char *debug_register(unsigned int reg) {
+    switch(reg) {
+        case 0x8921: return "GL_REG_0_ATI";
+        case 0x8923: return "GL_REG_2_ATI";
+        case 0x0: return "GL_ZERO";
+        case 0x1: return "GL_ONE";
+        default: return "Unknown register\n";
+    }
+}
+
+static unsigned int find_tmpreg(struct texture_stage_op op[8]) {
+    int i;
+    int tex_used[8];
+
+    for(i = 0; i < 8; i++) {
+        if(op[i].carg1 == 0x00000002 ) {
+            tex_used[i] = 1;
+        }
+    }
+
+    for(i = 1; i < 6; i++) {
+        if(!tex_used[i]) {
+                return 0x8921 + i;
+        }
+    }
+    return 0;
+}
+
+extern f(const char*);
+
+void g() {
+    struct texture_stage_op op[8];
+    unsigned int tmparg = find_tmpreg(op);
+    unsigned int dstreg;
+
+    if(tmparg == 0x0) return;
+    dstreg = tmparg;
+    f(debug_register(dstreg));
+    return;
+}