test: Disable Woverflow warnings in a couple of tests

These tests use constants which are too large for systems with 32-bit
doubles, but the tests are still useful checks for inf support.

Signed-off-by: Keith Packard <[email protected]>

Author: keith-packard

test/libc-testsuite/snprintf.c

@@ -33,6 +33,7 @@
 #pragma GCC diagnostic ignored "-Wformat-extra-args"
 #pragma GCC diagnostic ignored "-Wformat"
 #pragma GCC diagnostic ignored "-Wformat-truncation"
+#pragma GCC diagnostic ignored "-Woverflow"
 
 #define DISABLE_SLOW_TESTS
 

test/test-efcvt.c

@@ -53,6 +53,12 @@ const struct test ecvt_tests[] = {
     { 1.0e-12,  4, -11, 0, "1000" },
 };
 
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic ignored "-Wunknown-warning-option"
+#pragma GCC diagnostic ignored "-Wunused-value"
+#pragma GCC diagnostic ignored "-Woverflow"
+#pragma GCC diagnostic ignored "-Wliteral-range"
+
 #if !defined(TINY_STDIO) && !defined(NO_NEWLIB)
 #define ecvt_r(n, dig, dec, sign, buf, len) (ecvtbuf(n, dig, dec, sign, buf) ? 0 : -1)
 #define fcvt_r(n, dig, dec, sign, buf, len) (fcvtbuf(n, dig, dec, sign, buf) ? 0 : -1)

test/test-strtod.c

@@ -41,6 +41,12 @@
 #define FULL_TESTS
 #endif
 
+#pragma GCC diagnostic ignored "-Wpragmas"
+#pragma GCC diagnostic ignored "-Wunknown-warning-option"
+#pragma GCC diagnostic ignored "-Wunused-value"
+#pragma GCC diagnostic ignored "-Woverflow"
+#pragma GCC diagnostic ignored "-Wliteral-range"
+
 static const struct {
     char        *string;
     double      dvalue;